Partnerstack

Free, lightweight PDF viewer available on multiple platforms. Features include annotation, form-filling, signing, cloud integration, and more.

The Proton Partners Program enables affiliates to promote Proton's encrypted email, VPN, and other privacy services, earning commissions up to 100%, with marketing support and high revenue share.

Refer new users to Notion via unique affiliate links; earn 50% of payments for first 12 months on upgrades to paid plans; access to Affiliates Resource Center with guides, videos; managed via PartnerStack

1Password's affiliate program lets publishers promote its password-management service and earn money from completed signups and qualifying customer payments. The official program page promotes a $2 completed-signup bounty and 25% of the first year or first month's payment, with a $2 minimum. It directs applicants to create a Commission Junction account and apply to the 1Password program. A separate PartnerStack listing provides referral links, cookie-based tracking, monthly commission calculation, and PayPal or Stripe cash-out. 1Password also operates a broader Partner Program for resellers, managed service providers, technology partners, and other channel organizations; that program is distinct from the consumer affiliate offer.

The Proton Partners Program lets publishers and business partners promote Proton's privacy products, including Proton VPN, Proton Mail, Proton Drive, and Proton Pass. Partners receive a unique referral link, access marketing support materials, and earn commissions on qualifying new subscriptions and renewals. Proton also presents a resale option for eligible business partners.

Rewards content creators, publishers, bloggers, coaches, productivity experts, influencers, agencies for referring new paid users (Pro/Business plans). Unique referral link; commissions on upgrades within 90 days. Managed via PartnerStack for tracking, earnings, payments. Global coverage in 160+ countries.

Wrike’s official program allows referral partners to recommend Wrike to friends, colleagues, business associates, clients, and prospects and receive a percentage of licenses sold.

The Prezi Affiliate Program allows partners to earn cash commissions by referring new paying users to Prezi’s presentation software. Once approved, affiliates receive a unique referral link that tracks sign-ups, free trials, and paid plan upgrades. Affiliates earn commissions for every user who signs up for a paid subscription via their link and are also rewarded for each new trial start. The program focuses on Prezi’s virtual presentation tools (Prezi Present, Video, and Design), with promotion currently available to affiliates in at least Mexico and Brazil, and plans for broader geographic expansion.

Zapier’s public-facing monetization path is through partner programs, not a standard affiliate scheme. The Solution Partner Program is designed for consultants, agencies, and solution providers that want to help businesses automate workflows and integrate their favorite apps — while earning revenue and exclusive partner benefits.