Categories

Open source tools for planning and tracking team work, from simple kanban boards to agile issue trackers and Gantt-based project planning. All of them can run on your own server, and most have a hosted version from the developers.

Open source apps for personal notes, linked knowledge bases and team wikis. Some keep everything on your devices, some sync through a server you run, and several have hosted versions from their developers.

Open source software for storing, syncing and sharing files: full sync-and-share platforms, end-to-end encrypted drives, peer-to-peer sync and lightweight file servers. Most run on your own hardware, and a few have hosted versions.

Open source tools that run a chain of actions when something happens, from no-code app connectors and home-automation flows to code-first orchestrators. All of them can run on your own server, and several have hosted versions.

Open source tools for booking meetings and finding a date that suits a group, from personal booking pages to business appointment systems and Doodle-style polls. Most run on your own server, and some have hosted versions.

Open source backends that give web and mobile apps a database API, user accounts, file storage, realtime updates and server functions. Some are single binaries you run yourself, others are multi-service platforms with an official cloud.

Open source tools that give your own servers the deploy workflow of a hosted platform: build from Git or an image, run the app, route a domain with HTTPS and roll back when needed. Some add a dashboard, databases and preview environments; others stay on the command line.

Open source tools that check whether your sites and services are up, collect metrics from servers and applications, and trace problems through your stack. They range from a single container that pings URLs to full observability platforms built on OpenTelemetry.

Open source tools that collect exceptions and crashes from your applications, group them into issues and alert your team. Some are standalone servers that accept reports from many apps, others run inside a single application.

Open source tools for turning features on and off at runtime, rolling them out gradually and running A/B tests, from full platforms with dashboards to small engines that read flags from Git. All of them can run on your own servers.

Open source tools that measure visits, sources and conversions on your website, from simple cookieless counters to full product analytics suites. Most can run on your own server, and several have hosted versions.

Open source CRMs for tracking contacts, companies and deals, from lightweight pipeline boards to suites with marketing, support and invoicing. All of them can run on your own server, and most have a hosted edition from their developers.

Open source software for building a mailing list and sending newsletters and campaigns, from lightweight list managers to marketing automation and publishing platforms with paid subscriptions. Most run on your own server and send through a provider you choose.

Open source tools for building forms, running surveys and collecting data, from simple questionnaires and lead forms to research platforms and offline field data collection. All of them can run on your own server, and most have a hosted version.

Open source help desks, shared inboxes and live chat tools for answering customers by email, chat and messaging apps. All of them can run on your own server, and several have a hosted version from the developers.

Open source chat servers for teams and communities, from Slack-style workplace chat to encrypted federated messaging and Discord-style community platforms. All of them can run on your own server, and several also have hosted versions.

Open source servers and apps for video meetings, online classes and embedded calls. All of them can run on your own infrastructure, and a few also have hosted versions from their developers.

Open source tools that generate, store and fill your passwords, from synced vault services you can host yourself to encrypted KeePass files you keep on your own storage. Each page describes the encryption model and audits as the project documents them.

Open source tools for designing interfaces and graphics, sketching on shared whiteboards and drawing diagrams. Some run as static web apps, some as self-hosted services with real-time collaboration, and some as desktop programs.

Open source photo libraries that back up your phone, organize photos with faces, maps and search, or publish albums as a web gallery. All of them can run on your own server, and a few have hosted versions.

Self-hosted servers that index the movies, shows, music and audiobooks you already own and stream them to your browser, phone, TV or receiver. None of them supplies content; they replace the server and the apps, not a catalog.