Description

Siren lets you design multiple, specialized incentive programs from one WordPress site — affiliate programs, revenue shares, royalties, performance bonuses, and more, all from your WordPress dashboard. Learn more at sirenaffiliates.com.

Why Siren?

Reward what matters. Build programs around the metrics that drive your business, not just sales.
Automate performance and payouts. Siren handles commission calculations and payments.
Reach new partner types. Specialized programs fit creators, agencies, influencers, and educators.

Flexible Program Types

Siren gives you direct control over how programs are structured, so the software fits the partnership arrangement rather than the other way around. Start from one of 44 ready-made recipes, or build your own.

Affiliate Programs. Track referrals through custom links, coupon codes, or landing pages, with flat-rate, percentage, tiered, or override commissions.
Referral Programs. Turn existing customers into a growth channel with refer-a-friend rewards, store credit, and flat-bounty B2B referrals.
Partner & Reseller Programs. Run invite-only partner programs, channel and reseller commissions, and marketplace vendor revenue shares — for example, a 70/30 vendor split.
Creator & Royalty Programs. Pay creators and instructors a royalty on every sale of their product or course — the Udemy and Skillshare revenue model, rebuilt for WordPress.
Sales Commissions. Pay a sales team with per-rep commissions, manager overrides, new-business vs. renewal rates, and monthly bonus pools.
Lead-Generation Bounties. Pay a flat bounty for every qualified form submission with Gravity Forms or Ninja Forms — no sale required.
Loyalty & Rewards. Reward repeat customers with store credit and milestone rewards that keep them coming back.

Every program can also credit the content that influenced a sale. Siren’s Blog Content Program awards a commission when a customer reads a post, not only when they click a link — so you still capture buyers who arrive from AI assistants like ChatGPT and skip the affiliate link entirely.

Start From a Recipe

Not sure where to begin? Apply a complete, pre-configured program in a few clicks from the built-in recipe browser, then customize it. Popular starting points include the Basic Affiliate Program, Coupon-Based Influencer Program, Refer-a-Friend Program, Invite-Only Partner Program, and Customer Rewards Program — and 12 of the recipes run on the free Siren Lite tier.

Partnerships That Collaborate, Not Compete

Traditional affiliate tools credit a single partner per sale. Siren can split credit across every partner who contributed, using the attribution model you choose per program.

Shared Engagement Pool. Rewards are divided evenly among all contributing partners.
Performance Weighted Pool. Rewards are distributed based on relative engagement scores.
Top Score Wins. The partner with the highest engagement score receives the entire reward.

10 Core Capabilities

Custom Program Builder. Design incentive programs without writing code.
Recipe Import. Apply a complete program setup from a template in one click.
Partner Dashboard. Partners get their own login to track earnings and payments.
Automatic Calculations. Rewards are calculated from your program rules.
Multi-Level Programs. Tiered reward structures for long-term partner growth.
Payout Manager. Send rewards through PayPal or bank transfer.
Reward Stacking. Combine programs for layered reward arrangements.
Performance Bonuses. Pay bonuses based on last period’s results.
Product-Specific Programs. Different reward rates per product or category.
Coupon Attribution. Credit partners through coupon codes, without link clicks.

Deep Integrations

Siren works seamlessly with the WordPress plugins you already use.

WooCommerce. Automatic order tracking, product-based commissions, coupon attribution, and subscription support. See the WooCommerce affiliate plugin guide.
Easy Digital Downloads. Affiliate and partner programs built for digital products, licenses, and recurring revenue.
LifterLMS. Share course revenue with instructors, experts, and partners from inside your LMS.
LearnDash. Reward instructors and partners for course sales and enrollments.
Gravity Forms. Turn any form into a collaborator signup, lead capture, or lightweight checkout flow.
NorthCommerce. Support modern, high-AOV offers and creator-driven launches.

Third-Party Services

This plugin connects to external services operated by Novatorius, LLC in the following situations:

Contextual Help Documentation

When you open the help panel inside the Siren admin screens, the plugin fetches documentation articles from sirenaffiliates.com. Only the requested article slug is sent. No personal data, site data, or tracking information is transmitted. Responses are cached locally for 24 hours.

Recipe Import (Program Templates)

When you import a program recipe from the Siren website, the plugin fetches the recipe configuration from the Siren Beacon service at beacon.sirenaffiliates.com. This sends only the recipe ID. After the recipe is applied, the plugin notifies Beacon that the recipe was consumed so it cannot be reused. No personal data or site data is transmitted.

These services are governed by the Novatorius Terms of Service and Privacy Policy.

Bundled Libraries

This plugin bundles the following third-party libraries, each shipped with its license text:

Opis JSON Schema, Opis String, and Opis URI — Apache-2.0
Select2 — MIT
Action Scheduler — GPLv3
PHPNomad framework packages and Novatorius libraries — first-party code by the plugin author, distributed under this plugin’s GPL license

Build and Source Code

The compiled React admin bundles shipped with this plugin (everything under frontend/) are built from the human-readable TypeScript/React source code included in this plugin package under frontend-source/. Every shipped bundle’s source is present — entry points live in frontend-source/src/platform/wordpress/entries/, one per compiled bundle.

To rebuild the compiled assets from the included source:

cd frontend-source
npm install
npm run build:wordpress:lite

The compiled output is written to frontend-source/dist/wordpress-lite/, mirroring the bundles shipped under frontend/. Build configuration is included in frontend-source/vite.config.ts, frontend-source/package.json, frontend-source/tailwind.config.ts, and frontend-source/postcss.config.js.

This plugin also bundles Select2 for specific extension admin screens. The upstream Select2 source is publicly available at https://github.com/select2/select2

Screenshots

Program editor: rates, attribution rules, engagement types — Programs list

Installation

Go to Plugins > Add New in your WordPress admin and search for «Siren Affiliates», or download the plugin and upload the zip file.
Activate the plugin through the Plugins screen.
Navigate to Siren in the admin menu to create your first program.

Minimum Requirements

PHP 8.2 or higher
WordPress 6.4 or higher

FAQ

How do I create an affiliate program with Siren?: Navigate to Siren in your WordPress admin menu and click «Add Program.» Choose your commission structure, set the rules for how partners earn rewards, and publish. Partners can sign up through a registration form or be added manually.
Can I run multiple affiliate programs at the same time?: Yes. Create as many programs as you need, each with its own commission rates, attribution rules, and eligible partners.
Does Siren work with WooCommerce?: Yes. Siren integrates deeply with WooCommerce, including automatic order tracking, product-based commissions, coupon attribution, and full WooCommerce Subscriptions support for recurring commissions.
Does Siren support recurring commissions for subscriptions?: Yes. When a WooCommerce subscription renews, Siren can trigger a new conversion and award commissions to the attributed partner. Initial payments, renewals, plan changes, and refund adjustments are all tracked.
What is a «collaborator» in Siren?: Siren’s term for any partner who earns rewards through your programs: affiliates, content creators, agency partners, resellers, and more.
What attribution models does Siren support?: Siren supports shared engagement pools that split rewards evenly, performance-weighted pools that distribute proportionally to contribution, and top-score-wins where a single partner takes the full reward.
How does Siren handle tracking performance?: Visitor tracking records a lightweight engagement event; commission calculation and attribution run in background jobs via Action Scheduler rather than during page loads.
Can partners track their own earnings?: Yes. Siren includes a partner dashboard where collaborators can log in to view their earnings, track referrals, and see payment status. They do not need WordPress admin access.
How are payouts handled?: Siren’s Payout Manager lets you send rewards directly to partners. Approved commissions are compiled into payout records that you can fulfill through PayPal, bank transfer, or other methods.
Is there a free WooCommerce affiliate plugin?: Yes. Siren Lite is free and runs a complete WooCommerce affiliate program — unlimited affiliates, link and coupon tracking, automatic commission calculation, and a partner dashboard. Twelve of the built-in starter recipes work on the free tier. Paid tiers add scheduled distributions, overrides, and additional program types.
What is a good affiliate plugin for beginners?: Siren is built for non-developers. Pick a starter recipe such as the Basic Affiliate Program, apply it in a few clicks, and you have a working program with sensible defaults. No code, no separate SaaS account, and no per-affiliate fees.
What is the best AffiliateWP alternative?: Where a traditional affiliate plugin credits a single affiliate per sale, Siren can run multiple programs at once and split credit across every partner who contributed, using the attribution model you choose per program. It also covers referral, partner, creator, sales-commission, lead-generation, and loyalty programs from the same plugin.
Does Siren support multi-level, tiered, or override commissions?: Yes. Siren supports tiered programs where senior partners earn an override on the sales their recruits refer, VIP and standard rate tiers, and manager overrides for sales teams. You define the reporting lines and the rates.
Can I run an affiliate program for digital products or Easy Digital Downloads?: Yes. Siren integrates with Easy Digital Downloads for affiliate and partner programs built around digital products, licenses, and recurring revenue, including coupon attribution and per-product commission rates.
Does Siren work with LearnDash and LifterLMS courses?: Yes. Siren works with LearnDash and LifterLMS, so you can pay affiliates for course sales, share course revenue with instructors, and run instructor royalty or revenue-share programs from inside your LMS.
Can affiliates be tracked with coupon codes instead of links?: Yes. Each collaborator can be assigned a unique coupon code, and Siren credits the sale whenever that code is used at checkout — no link click required. This is ideal for influencers who share codes on Instagram, TikTok, or YouTube.
Can I run a refer-a-friend program for my customers?: Yes. Siren’s referral programs give each customer a unique link or code and reward them, often in store credit, when a friend they refer makes a purchase. You can also run flat-bounty B2B referral programs.
Does Siren require WooCommerce?: No. WooCommerce is the deepest integration, but Siren also works with Easy Digital Downloads, North Commerce, LearnDash, LifterLMS, and form plugins like Gravity Forms and Ninja Forms — so you can track sales, course enrollments, or lead submissions.

Reviews

Anita C 2 de julio, 2026

A thoughtfully built plugin that’s easy to get started with. Alex was incredibly responsive and took the time to answer all of my questions, which made the entire experience even better.

Sean Davis 1 de julio, 2026

Siren is on another level. I’d hesitate to call it an affiliate program because that’s a massive understatement. It’s much more than that. What I like about it most as a utility is that it encourages you to think about the goals of your project rather than molding your project to the utility’s limitations. You define whether the «program» is affiliate, referral, loyalty, or something you came up with yourself. And the «recipes» system makes it so easy to begin exploring various programs. Honestly, it’s a genius system that sits in a category of its own from what I can see.

Armando J. Perez Carreno 1 de julio, 2026

Talking from a development standpoint, if you’ve ever had a client looking for affiliate programs, referral programs, or even network programs, you’ve likely gone through the rabbit hole of the usual suspects (AffiliateWP, I’m looking at you), Post Affiliate Pro, etc. And if you’ve gone down said rabbit hole, you’ll have noticed by now that they just don’t cut it for anything ‘outside the norm’. Now what is the norm, you might ask? And I’m glad you asked! For some strange reason, all of the clients we’ve built sites for, seem to require an ‘unconventional’ affiliate program. Or so they would make us believe. In our mind, these programs look quite ordinary, and by all practical means, simple. Which is why it confuses me to see that none of the ‘big’ players in the space support what to me are common scenarios. Which scenarios you ask? Well, things like having an instructor get a commission off a course that they authored, even if they didn’t share the link for it. Or, if in a rep network, allowing reps to get a cut of their downline, regardless of who ‘shared the link’. Now, I’ve personally reached out to many of the affiliate plugins and they’ve all said what we needed was not possible with their system. Then I talk with Alex, and he shows me how dynamic Siren is and I’m hooked! I tried it myself for a client a few years ago, and it did everything we needed out of the box. Recently, however, we needed to do some deep customizations to a very unique program (which isn’t really unique, but perhaps unique to the WordPress space) and I tested Alex’s claims of Siren being extensible and well documented. And let me tell you, I was not disappointed! The fact that you can extend Siren to support custom engagement triggers, custom incentive types, custom calculation strategies, resolvers – is incredible. It was such a breeze to get things going without having to implement ‘hacks’ that will break on updates. And Alex’s support during the process has been outstanding as well! So if you’re on the fence, give Siren a try, you won’t be disappointed.

chrisbadgett 30 de junio, 2026

Every time I dig into Siren, I’m amazed at how powerful this incentive program tool is. It’s awesome for an affiliate program, but it does so much more including royalty programs, sales programs, lead generation programs, and so much more. If you want to grow your website with partnership programs, Siren is the most powerful tool out there.

gelform 30 de junio, 2026

Siren is fantastic. Intuitive, powerful, well-supported. I’m thrilled I switched from AffiliateWP.

Read all 5 reviews

Contributors & Developers

“Siren Affiliates – Affiliate & Partner Program Manager for WooCommerce” is open source software. The following people have contributed to this plugin.

alexstandiford

Translate “Siren Affiliates – Affiliate & Partner Program Manager for WooCommerce” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

3.4.1

fix(frontend): affiliate dashboard clipped behind portal sidebar — scope Tailwind disclosure trimming to Lite (bounty 645)
fix(lite): bind TermProvider in the free-tier loader

3.4.0

New: Starter recipes — browse a catalog of ready-made program setups, filtered to what works with your store, and launch a fully-configured program in a few clicks.
Fixed: Easy Digital Downloads 3.x — assigning a collaborator to a coupon works again.
Fixed: Ninja Forms integration labels now load from the plugin’s own translations.

3.3.0

fix(wp): register engagements admin page so conversion engagement link resolves
fix(reporting): aggregate by type, apply date range, support comparison metrics
fix(reporting): update balance & earnings on internally-issued obligations
test(distributions): cover MarkAllocationObligationAsPending; chore(wp): remove dead /payouts mapping
fix(notes): record status transitions from internal flows, not just REST
fix(reporting): apply aggregation/date-range/comparison fixes to queryStandings
chore(screenshots): commit publish-to-auth pipeline + fix dashboard
fix(woocommerce): introduce TermProvider to eliminate get_the_terms crash
Add Plus and Pro tier packaging scaffolding
Add CollaboratorGroup primitive (slice A of cascade work)
Add CollaboratorGroup and calculation-type recipe support
fix(wporg): remediate round-4 review findings and harden the submission gate
Siren WordPress REST Update Method Compatibility
Radix Checkbox controlled/uncontrolled dev warning on forms with hydrated state
Integration-owned transaction source registration
WooCommerce: Collaborator dropdown empty on new product creation
Eliminate silent attribution failures: catch \Error at REST/event boundary + fix transactionDetails NULL contract
Replace SafeMySQL with maintained PDO backend (mysql-integration 1.2.1)
feat(ninja-forms): add Ninja Forms integration
Run engagement/metric calc migration on 3.x upgrades (#555)

3.2.6

Maintenance and stability release.

3.2.5

fix(lite): unship over-stripped runtime files (WSOD + missing menu)

3.2.4

fix(collaborators): repair WC/EDD/LLMS/NC dropdown and consolidate JS
fix(lite): defer collaborator-program junction install

3.2.3

fix(ci): build blocks before packaging in compile-test-zip workflow
fix(recipes): make export schema-compliant
Harden demo routing against soft 404s
chore(deps): bump phpnomad/db to 2.2.0
ci(release): make release step idempotent + auto-bump version to tag

3.2.2

Maintenance and stability release.

3.2.1

fix: auto-run installer on version bump + ship compiled portal block

3.2.0

RecipeImportJobExecutor replaces RecipeImportTaskHandler
RepairJobExecutor — generic executor that looks up any registered RepairAction by subtype
RunDebugRepair switches from sync-inline to async-dispatch (returns 202 + jobId, 409 when a matching repair is already in flight)
DebugTab RepairDialog dispatches async, swaps to a polling view with queued/running/complete states
Old RecipeImportJob model/datastore/table/task/service/installer all deleted
programs — typed incentiveArgs, autoApprove, expirationDays, activeConversionTypes, lineItemFilters
distributors — distributionArgs/poolResolverArgs per-distributor (fixes parallel-importer clobbering), concrete schedule shape, engagementTypes, transactionCompilers, lineItemFilters
collaborators — new stanza with nested aliases (typed, with issuedDate for migration link continuity) and bindings (collaboratorprogram, collaboratordistributor)
mappings — generic four-field cross-system bridge
tracking / commerce — site-wide settings stanzas
Stripped license/update-checker residue from the lite zip; readme documents the frontend source/build path
Removed live superglobal usage from WordPress request handlers
Added nonce/capability checks to extension save flows
Stopped rewriting active_plugins
Fixed weak JS globals; cleaned up plugin path/url resolution
Switched docs fetching to a WordPress HTTP-backed transport
Added missing lite templates used by live listeners
SetupCollaboratorPortal enqueued the Vite-built portal bundle without type="module". 37 shared chunks + main entry all threw Cannot use import statement outside a module; the SPA stalled at «Loading…» forever. Filter added on script_loader_tag that marks every portal handle as a module at tag-render time. RegisterCollaboratorPortalBlock already did this for the editor-preview path; this brings the frontend portal enqueue path in line.
bin/seed-screenshot-data.php was writing to a non-existent totalCount column (actual column is count), silently dropping all activity data. Also fixes activity-type enum to match STRATEGY_TO_ACTIVITY_TYPE (site_visit, content_view, product_sale, form_submission, coupon_use) and seeds per-day periods so the last-6-months activity chart has a real time series.
Inline :root { --background/--foreground/--primary/--accent: ...; } overrides generated from block attrs were attached to siren-collaborator-portal-inline and enqueued before the Vite-built Tailwind bundles. The bundles carry their own :root defaults, so they printed last and won the cascade — the editor preview updated but the public portal rendered stock colors. Moved override emission to after the bundle loop, attached via wp_add_inline_style() to the last bundle handle so our rule is last in source order.
Portal Branding inspector panel’s logo field was a TextControl asking for a pasted URL. Replaced with MediaUpload + MediaUploadCheck — WordPress’s native media modal, URL-based storage preserved for backward compat, thumbnail preview + Replace / Remove controls.
Block editor still shows «Your site doesn’t include support for the siren/collaborator-portal block» because the wp-scripts build/blocks/ output isn’t wired into bin/build.php or .github/workflows/release.yml. Release workflow runs frontend:build:all but never wp-scripts build, and the build script doesn’t relocate ./build/ into lib/LiteApplication/build/ where the path resolver expects it. Every essentials install will hit this in the block editor until it’s fixed. Not blocking 3.2.0 — block works at runtime, only the editor is affected.
job_schedules table + cron dispatcher for recurring jobs (telemetry, nightly prunes) — framework designed for it, not built.
Retention/cleanup of old job rows.
Unified «recent jobs» history pane on the Utilities tab (backend endpoint exists; no UI yet).

3.1.2

fix(transactions): stop double-subtracting coupon discounts on WC and EDD orders

3.1.1

fix(lite): unblock beacon recipe handoff for non-admin Siren users
fix(recipes): align plugin with website handoff contract + e2e coverage

3.1.0

fix: Prevent crash when selecting obligation checkboxes
refactor(api): normalize JSON responses at the chokepoint
refactor(rest): attach global interceptors per controller
Activate Notes system with event listeners, REST API, and activity timeline
chore(uat): commit UAT environment tree to source control
fix(notes): decouple extended resolvers from OrgDatastore; 500s on Essentials Activity
fix(notes): add Note to WordPress permission model list
Restore Woo ItemLogged logging and bump phpnomad minima
feat(notes): add automatic notes for collaborator program changes
fix: permanent delete fails due to FK constraints on junction tables
chore: sync plugin version headers to 3.0.1
fix(programs): stop legacy listener from overwriting engagementTypes format
fix(fulfillments): restore cents-to-dollars conversion
feat(notes): add activity notes for status changes
fix(notes): attach missing source linkages to activity notes
ci: gate workflows on ready-for-review + release tag push
feat(fields): declarative shape system for REST JSON output contracts
chore(wp-org): prepare plugin for wp.org resubmission
chore(wp-org): fix Plugin Check failures, wire Plugin Check into build
fix(updater): derive plugin basename via plugin_basename() so Essentials receives updates
fix(saas): guard Request::hasParam against scalar intermediate segments

3.0.1

Fix fulfillment screen displaying amounts in cents instead of dollars (#36)
Fix CREATE TABLE running before ALTER in InstallReportingService upgrade (#37)
License key activation now correctly reflects active status in UI (#33)
Fix broken «Get Your License Key» link in WordPress admin (#31)
Add Zod response adapters at API boundary, remove ghost engagement type (#32)
Refactor collaborator action event listeners to own junction binding (#38)
Set up PHPStan level 8 with CI integration (#34)

3.0.0

Maintenance and stability release.

Excellent Plugin & Outstanding Support

Sophisticated and Mature

This is what we’ve been missing

The Affiliate Platform I’ve Been Searching For

Thrilled

Description

Why Siren?

Flexible Program Types

Start From a Recipe

Partnerships That Collaborate, Not Compete

10 Core Capabilities

Deep Integrations

Third-Party Services

Contextual Help Documentation

Recipe Import (Program Templates)

Bundled Libraries

Build and Source Code

Screenshots

Installation

Minimum Requirements

FAQ

How do I create an affiliate program with Siren?

Can I run multiple affiliate programs at the same time?

Does Siren work with WooCommerce?

Does Siren support recurring commissions for subscriptions?

What is a «collaborator» in Siren?

What attribution models does Siren support?

How does Siren handle tracking performance?

Can partners track their own earnings?

How are payouts handled?

Is there a free WooCommerce affiliate plugin?

What is a good affiliate plugin for beginners?

What is the best AffiliateWP alternative?

Does Siren support multi-level, tiered, or override commissions?

Can I run an affiliate program for digital products or Easy Digital Downloads?

Does Siren work with LearnDash and LifterLMS courses?

Can affiliates be tracked with coupon codes instead of links?

Can I run a refer-a-friend program for my customers?

Does Siren require WooCommerce?