Best free influencer, affiliate & referral tools in 2026
Genuinely free — not “free trial that ends in 14 days.” Free plans included if they're usable for real work. The catches and upgrade walls are called out.
Refersion
First-party affiliate tracking and payouts for ecommerce brands
GRIN
Creator marketing platform with AI agent Gia for brand creator programs
Favikon
AI influencer marketing platform for finding, vetting and measuring creators
Shopper.com
Manage and monetize affiliate product promotions
WP Affiliate Manager
Affiliate program management plugin for WordPress sites
LoyaltySurf
Advocacy and loyalty rewards software for rewarding user reviews and social shares
FMTC
Verified affiliate links, coupons, and deal feeds for publishers
partnrUP
AI-powered influencer marketing platform for discovery, outreach, and campaigns
ClickToTweet
Create tweet-this links to promote and track content on Twitter
Podtrac
Podcast measurement and growth analytics for publishers and advertisers
LaunchPass
Charge for access to Discord, Telegram, and Slack communities
KingSumo
Viral giveaway tool for growing email lists and social followers
Otterfish
Manage influencer campaigns, content approvals, and creator briefs in one place
SparkLoop
Newsletter recommendations and referral programs for newsletter publishers
AffLoad
Load affiliate links in the background so cookies are set before purchase
PartnerPortal.io
Partner portal and PRM for launching and running channel partner programs
Syncly
AI social listening, creator discovery, and customer feedback analytics
S Loyalty
Loyalty and rewards program app for Shopify and BigCommerce stores
Stickler
Live commerce platform for planning, running and analysing TikTok Shop livestreams
Walmoo
Simple loyalty program software for small and medium businesses