Open Source Software Catalog

457 programs — free forever, legal to download.

Sort: Popular Recent Stars License: All AGPL-3.0 Apache-2.0 BSD-2-Clause BSD-3-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 Platform: All Linux Windows macOS Docker Web Released: Any 30 days 90 days 1 year

Showing 457 programs

kiwix-serve logo kiwix-serve Local HTTP access to ZIM files for users of offline Kiwix content. GPL-3.0 E-books v3.8.2 ★ 988 Offen Apache-2.0 Web Analytics Web v1.4.2 ★ 982 chasquid Apache-2.0 Mail Transfer Agents ★ 978 Automad MIT Content Management Systems (CMS) v2.0.0-beta.69 ★ 962 Stirling-PDF logo Stirling-PDF PDF editing and automation for individuals and enterprises. Apache-2.0 Document Management v3.3.0 ★ 95,806 ChiefOnboarding AGPL-3.0 Automation Web v2.5.1 ★ 934 RSS-Bridge logo RSS-Bridge Creates web feeds for sites without them, for self-hosters and public-instance users. Unlicense Feed Readers v2025-08-05 ★ 9,332 Espial logo Espial Self-hosted multi-user web bookmarking server with SQLite storage. AGPL-3.0 Bookmarks Web v0.0.42 ★ 927 Antville Apache-2.0 Blogging Web v1.6.0 ★ 90 SyncMarks AGPL-3.0 Bookmarks v2.2.5 ★ 9 Kiwi IRC Apache-2.0 IRC Web v0.9.4 ★ 890 Notifo logo Notifo Multi-channel notifications for apps that need to keep their users informed MIT Messaging Web v1.3.0 ★ 885 Textpattern GPL-2.0 Content Management Systems (CMS) v4.9.2 ★ 884 phpList AGPL-3.0 Email Lists Web v3.6.17 ★ 881 Tox GPL-3.0 Messaging ★ 8,743 Sylius MIT E-commerce v2.3.2 ★ 8,566 LibreBooking GPL-3.0 Scheduling Web v7.2.0 ★ 844 Servas logo Servas Self-hosted bookmark management for individuals and multi-user setups GPL-3.0 Bookmarks Web v1.1.3 ★ 839 Signature PDF logo Signature PDF Free web app for signing, organizing, editing metadata, and compressing PDFs. AGPL-3.0 Document Management v1.11.0 ★ 834 Haven MIT Blogging ★ 813 OTS Apache-2.0 Messaging Linux macOS v1.23.1 ★ 810 HandBrake Web logo HandBrake Web Web UI to queue HandBrake encodes across multiple machines. AGPL-3.0 Automation Web v0.8.1 ★ 806 GlobaLeaks AGPL-3.0 Messaging Web v0.0.3 ★ 8 Quassel IRC GPL-2.0 IRC macOS Web v0.14.0 ★ 792