Open Source Software Catalog

172 programs — free forever, legal to download.

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Showing 172 programs

indico MIT Conference Management v3.3.14 ★ 2,126 wildduck logo wildduck Scalable no-SPOF IMAP/POP3 mail server for hosting providers and operators EUPL-1.2 Email Servers Web v1.55.3 ★ 2,114 Bichon logo Bichon Self-hosted email archiving and search for users and organizations. AGPL-3.0 Archiving Linux macOS v2.3.0 ★ 2,067 Goeland logo Goeland Turns RSS and Atom feeds into self-hosted HTML email digests MIT Feed Readers v0.29.2 ★ 205 LinkWarden MIT Bookmarks Web v2.16.3 ★ 20,316 SimpleX Chat logo SimpleX Chat Private messaging without user identifiers for people needing metadata-resistant chat AGPL-3.0 Messaging Android Linux v7.0.3 ★ 19,644 Atsumeru v2.2 ★ 196 Flexisip AGPL-3.0 SIP ★ 195 Calibre Web logo Calibre Web Web UI to browse, read, and download eBooks from a Calibre library GPL-3.0 E-books v0.6.27 ★ 18,532 iRedMail GPL-3.0 Email Servers ★ 1,850 Apprise logo Apprise Send notifications to popular services through one interface for developers and DevOps. MIT Messaging Web v2.1.0 ★ 17,706 Litlyx Apache-2.0 Web Analytics Web v0.0.19 ★ 1,748 SnappyMail logo SnappyMail Fast, privacy-friendly PHP webmail for people and organizations using IMAP. AGPL-3.0 Webmail Clients Web v2.38.2.1 ★ 1,742 Routr MIT SIP Web v2.32.1 ★ 1,729 SimpleDMS AGPL-3.0 Document Management v1.18.1 ★ 170 OpenWA MIT Messaging Web v0.27.1 ★ 16,536 Fredy Apache-2.0 Automation Web v30.1.4 ★ 1,619 Spree Commerce BSD-3-Clause E-commerce v6.0.3 ★ 15,811 Stalwart Mail Server AGPL-3.0 Email Servers Linux macOS v1.0.3 ★ 15,733 Mail-in-a-Box logo Mail-in-a-Box Turns fresh Ubuntu into a mail server for individuals managing their own email CC0-1.0 Email Servers Web v77 ★ 15,456 openSIPS GPL-2.0 SIP ★ 1,545 WinterCMS MIT Content Management Systems (CMS) v1.2.15 ★ 1,524 eLabFTW AGPL-3.0 Content Management Systems (CMS) v5.6.15 ★ 1,480 Bludit v3.22.0 ★ 1,473