Free
Email, chat & meetings
1,634 self-hosted solutions from public repositories worldwide. Categories curated by people, licenses and star counts, shown as they are.
ngircd
Portable and lightweight Internet Relay Chat server for small or private networks.
UnrealIRCd
Modular, advanced and highly configurable IRC server written in C for Linux, BSD, Windows, and macOS.
MiroTalk C2C
Real-time cam-2-cam video calls & screen sharing, end-to-end encrypted, to embed in any website with a simple iframe.
Snikket
All-in-one Dockerized easy XMPP solution, including web admin and clients.
Spectrum 2
Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks.
Shhh
Keep secrets out of emails or chat logs, share them using secure links with passphrase and expiration dates.
PushBits
Notification server for relaying push notifications via Matrix, similar to PushBullet and Gotify.
Tiledesk
All-in-one customer engagement platform from lead-gen to post-sales, from WhatsApp to your website. With omni-channel live agents and AI-pow...
Simple NixOS Mailserver
Complete mailserver solution leveraging the Nix Ecosystem.
egroupware
Software suite including calendars, address books, notepad, project management tools, client relationship management tools (CRM), knowledge...
Group Office
Enterprise CRM and groupware tool. Share projects, calendars, files and e-mail online with co-workers and clients.
Tracim
Collaborative Platform for team collaboration: file,threads,notes,agenda,etc.
Robust IRC
IRC without netsplits. Distributed IRC server, based on RobustSession protocol.
Flexisip
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platform...
dayGLANCE
Day planner with drag-and-drop time blocking, inbox, recurring tasks, habits, routines, goals, projects and Pomodoro focus mode, plus iCal a...
DAViCal
Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store.
Tine
Software for digital collaboration in companies and organizations. From powerful groupware functionalities to clever add-ons, tine combines...
3CX
Full-featured PABX system, with call queues, built-in web conferencing, live chat and social media messaging all on one system.
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Ad Platform
A display-ad broker with advertiser, partner and operator consoles
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Rental Billing
Space rental, contracts and billing in one button — for small landlords
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AI Auto-Trading
Automated trading where AI reviews every strategy and every decision is on record
The free solution list is based on awesome-selfhosted (CC-BY-SA 3.0) and awesome-sysadmin (CC-BY-SA 4.0) data; each entry remains the copyright of its project.