Best Open Source products of May 2026

Discover the best Open Source products of May 2026 as chosen by Product Hunt users.

111 - 120 of 265 Open Source products

111. FocusCat: Focus Timer with a Cat :)Offline-first, open source and free forever.
•2 Followers•
112. LayercacheStop DDOS-ing your own database.
•4 Followers•
113. ArbFlowReal-time crypto heatmap with arbitrage & kimchi premium
•3 Followers•
Framer
Launch websites with enterprise needs at startup speeds.
103
#design-tools#website-builder#artificial-intelligence
114. OpentestudoxPrivate messaging with local encryption
•3 Followers•
115. DashFlowAll-in-one family dashboard: budget + health, E2E encrypted
•3 Followers•
116. IRWatchLive OSINT dashboard tracking the Iran-Israel conflict
•3 Followers•
117. Fud AI - Calorie TrackerSnap a meal. logs the calories. Free. open source. BYO key.
•6 Followers•
118. OSS DiscoveryThe open source intelligence layer
•6 Followers•
119. SignaKit - Feature Flags & ExperimentsFeature flags & A/B testing for engineering teams
•5 Followers•
120. Silica ClusterDecentralized Mobile AI
•3 Followers•

•••

•••

Community's choice

April 2026 — Best products March 2026 — Best products February 2026 — Best products January 2026 — Best products December 2025 — Best products November 2025 — Best products October 2025 — Best products September 2025 — Best products August 2025 — Best products July 2025 — Best products June 2025 — Best products May 2025 — Best products