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Actual BudgetAccounting & InvoicingActual Budget is a free, MIT-licensed personal finance app built on envelope budgeting. Data lives in a local SQLite database, and an optional self-hosted server adds multi-device sync, end-to-end encryption and bank sync.Open sourceSelf-hosted
AnarlogAI Voice, Speech & TranscriptionAnarlog is an MIT-licensed AI meeting notepad for macOS, Windows and Linux. It captures meetings without a bot, transcribes on-device or with your chosen provider, and keeps notes in local SQLite with optional encrypted sync.Open sourceSoftwareFreemium
AnytypeNotes & Knowledge ManagementAnytype is a local-first knowledge and collaboration app from the Swiss Any Association. Data lives in an encrypted vault on each device and syncs peer-to-peer, through the Anytype Network or through a self-hosted any-sync network.CommercialSelf-hostedFreemium
BitwardenPassword ManagersBitwarden is an open source password manager for individuals, families and organizations. Vaults are end-to-end encrypted, run on a US or EU cloud or a self-hosted Docker server, with a free plan and paid tiers.Open sourceSelf-hostedFreemium
CodyncAI Coding Assistants & Agent ToolingCodync is a free Apache-2.0 app that turns the coding agents signed in on your computer into persistent bots. A Rust host drives them over ACP; you chat, approve edits and get notified from iPhone, a desktop app or a terminal.Open sourceSelf-hosted
CryptPadOffice & PresentationsAGPL-licensed collaboration suite from XWiki that encrypts documents in the browser before they reach the server. Use a public instance such as CryptPad.fr, buy a hosted or on-premise enterprise plan, or self-host it with Node.js or Docker.Open sourceSelf-hostedFreemium
ElementTeam Chat & MeetingsElement is the open-source Matrix client from Element Creations for browsers, Windows, macOS and Linux. It connects to any Matrix homeserver, encrypts DMs and private rooms by default and can be self-hosted as static files, a Debian package or a Docker image.Open sourceSelf-hostedFreemium
EntePhoto ManagementEnte is an AGPL-3.0, end-to-end encrypted cloud for photos (Ente Photos), 2FA codes (Ente Auth) and documents (Ente Locker), with apps for mobile, desktop and web, 10 GB free and a Go server you can self-host.Open sourceSelf-hostedFreemium
ExcalidrawDiagramming & WhiteboardsExcalidraw is an MIT-licensed virtual whiteboard with an infinite canvas, hand-drawn rendering, shape libraries and PNG, SVG and JSON export. Use excalidraw.com with encrypted collaboration, self-host the Docker client, or embed the npm package in a React app.Open sourceSelf-hostedFreemium
HappyAI Coding Assistants & Agent ToolingHappy is an MIT-licensed harness that runs Claude Code, Codex, Grok, Gemini and ACP agents on the subscriptions you already have, with durable local sessions, an OS sandbox, Git worktrees and end-to-end encrypted iOS and Android apps.Open sourceSelf-hostedFreemium
JustnoteNotes & Knowledge ManagementJustnote is a privacy-focused notes app with a rich-text editor, nested lists, search and sync across web, Android and iOS. Notes are encrypted on the device with a 24-word Secret Key, and the client is GPL-2.0 licensed.Open sourceWeb platformFreemium
LiveKitAPIs & IntegrationsLiveKit server is an Apache 2.0 WebRTC selective forwarding unit written in Go. It routes audio, video and data between browsers, apps, phones and AI agents, runs as a binary, Docker image or Helm chart, and scales across nodes with Redis.Open sourceSelf-hostedFreemium
NextcloudFile Sharing, Sync & ManagementAGPL-licensed collaboration server for files, sharing, Talk calls, Calendar, Contacts, Mail and browser office editing. Run it with the official All-in-One Docker setup or on your own PHP stack, with clients for desktop and mobile.Open sourceSelf-hostedFreemium
ObsidianNotes & Knowledge ManagementObsidian is a free note-taking app by Dynalist Inc. that stores notes as local Markdown files, with links, graph view, Canvas, Bases, a CLI and community plugins, plus optional paid Sync and Publish services.CommercialSoftwareFreemium
OpenCloudFile Sharing, Sync & ManagementApache-2.0 file management and collaboration server from OpenCloud GmbH, forked from ownCloud Infinite Scale. Stores data on POSIX or S3 storage with no database, adds spaces, guest access, E2EE vaults and Collabora editing.Open sourceSelf-hostedFreemium
OpenNotasNotes & Knowledge ManagementAGPL-licensed personal note-taking PWA built with Nuxt. Notes live in browser IndexedDB, three Markdown editors are included, and optional sync pushes AES-GCM encrypted data to a Turso database you own, with images in S3-compatible storage.Open sourceSelf-hosted
ParalinoSystem Utilities & Windows TweaksPrivate location sharing and family safety app for Android and iOS with end-to-end encryption, groups, place alerts, privacy zones, location history and a personal space. Apps are AGPL-3.0, with a de-googled Android APK.Open sourceSoftwareFreemium
Proton WebClientsEmail Clients & ArchivingProton's public monorepo for its web clients (Mail, Calendar, Drive, Docs, Pass, VPN account, Wallet, Lumo, Meet) and Electron or Tauri desktop apps. GPL-3.0, but the clients need Proton's closed backend, so it is not a self-hosting kit.Open sourceWeb platformFreemium
Rocket.ChatTeam Chat & MeetingsRocket.Chat is a TypeScript and MongoDB communication platform for channels, threads, calls, Matrix federation and customer conversations. The core is MIT-licensed and self-hosted with Docker or Kubernetes; enterprise features and add-ons need a paid plan.Open sourceSelf-hostedFreemium
SignalTeam Chat & MeetingsSignal is a nonprofit-run private messenger with end-to-end encrypted chats, voice and video calls, groups, stories, disappearing messages and optional usernames. Its Android app is open source under the AGPL.Open sourceSoftwareFree
SiYuanNotes & Knowledge ManagementSiYuan is an AGPL-3.0 personal knowledge management app built on block-level references, Markdown WYSIWYG editing and databases. It runs on desktop, mobile or Docker, keeps data in a local workspace and sells optional sync.Open sourceSelf-hostedFreemium
Standard NotesNotes & Knowledge ManagementAGPL-licensed note-taking app that encrypts notes, tags and files on the device before sync. Free plan with unlimited devices; paid plans add the Super editor, spreadsheets, revision history and 100 GB of file storage. The server runs on Docker.Open sourceSelf-hostedFreemium
Tuta MailEmail Clients & ArchivingTuta Mail (formerly Tutanota) is an encrypted email, calendar and contacts service from Tutao GmbH in Hanover. Its web, desktop and mobile clients are GPLv3 on GitHub; the server is closed and there is no IMAP.Open sourceWeb platformFreemium
Twake ChatTeam Chat & MeetingsTwake Chat is an AGPL-licensed Flutter client for the Matrix protocol, built by Linagora. It offers group chats, spaces, voice messages, end-to-end encryption and compatibility with other Matrix clients on Android, iOS and the web.Open sourceWeb platform