Open Source Software Catalog

488 programs — free forever, legal to download.

Popular Recent Stars All AGPL-3.0 Apache-2.0 BSD-2-Clause BSD-3-Clause BSD-4-Clause CC0-1.0 EUPL-1.1 EUPL-1.2 GPL-2.0 GPL-3.0 ISC LGPL-2.1 LGPL-3.0 MIT MPL-1.1 MPL-2.0 OSL-3.0 Unlicense All Linux Windows macOS Docker Web Any 30 days 90 days 1 year

Showing 488 programs

Apache Airflow Apache-2.0 Automation Web v3.3.2 … ★ 47,367 Snikket Apache-2.0 XMPP vbeta.20220119.2 … ★ 47 RSSHub MIT Feed Readers v2026.11.05-8591.17b1822 … ★ 46,837 Grimmory AGPL-3.0 E-books v3.5.0 … ★ 4,662 Apostrophe MIT Content Management Systems (CMS) … ★ 4,658 Rocket.Chat MIT Messaging Web v8.9.0 … ★ 46,372

RSS2EMail Delivers new RSS and Atom feed stories by email via sendmail or SMTP GPL-2.0 Feed Readers … ★ 461 Payload CMS MIT Content Management Systems (CMS) v3.93.0 … ★ 45,678

Expressa Schema-defined REST APIs and admin tools for Node.js/Express developers MIT Content Management Systems (CMS) v2.1.3 … ★ 452

Open Source POS Web-based POS for retail shops: sales, stock, invoices, and reports. MIT E-commerce v3.4.3 … ★ 4,501 Contao LGPL-3.0 Content Management Systems (CMS) … ★ 450 GNUnet GPL-3.0 Messaging … ★ 45 Easy!Appointments GPL-3.0 Scheduling Web v1.6.1 … ★ 4,480 bitmagnet MIT Archiving Android Linux v0.10.0 … ★ 4,447 Spectrum 2 GPL-3.0 Messaging Web v2.2.1 … ★ 421

NeonLink Lightweight self-hosted bookmark service for private link organization. MIT Bookmarks Web v1.5.0 … ★ 420

Shhh Encrypted secret sharing so sensitive info stays out of emails and chat logs MIT Messaging Web v3.2.4 … ★ 420 Hi.Events AGPL-3.0 Scheduling Web v2.0.0 … ★ 4,127

Stringer A self-hosted RSS reader for people who want no recommendations or sharing ★ 4,127 Daily Stars Explorer MIT Web Analytics Web v0.1.0 … ★ 410 Postiz AGPL-3.0 Web Analytics Web v2.25.3 … ★ 40,936 PostHog MIT Web Analytics Linux macOS vdesktop-v0.61.943 … ★ 40,651 LazyLibrarian GPL-3.0 Automation ★ 400 Umami MIT Web Analytics Web v3.4.1 … ★ 39,925

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