UptimeKit is a distributed monitoring and status page platform with fault-tolerant architecture. Watch services worldwide and keep users informed at a glance with clean public pages.

Open-source, self-hosted database backup and restore platform for PostgreSQL, MySQL, MongoDB, Redis, and more.

Discover, compare, and evaluate the best open source alternatives to the software you already use. Find projects by category, features, and more.

Privacy-first, self-hosted note-taking platform with markdown support, tagging, and built-in AI — a lightweight alternative to Notion and Obsidian.

Open Alt Finder Weekly Digest 2026 #41

Open source local-first editor for Markdown, docs, rich files, and AI agents — with built-in terminal and Git review.

Lightweight open-source observability tool with pixel-perfect session replay, real-time error detection, and journey mapping for web and mobile apps.

Minimalist, federated blogging platform for writers who want a clean, distraction-free space to publish.

Open-source photo gallery and management software for individuals and teams.

Self-hosted reverse proxy that blocks AI scraper bots with a lightweight proof-of-work challenge.

Instant messaging platform with self-hosted backend in Go and clients for iOS, Android, web, and command line.

An open source movie and TV show tracker app for Android with IMDb integration.

Open Alt Finder Weekly Digest 2026 #40

Open platform for governing execution authority at decision surfaces across agents, AI systems, and enterprise workflows.

Lightweight self-hosted app for managing personal file-based notes and checklists.

Self-hosted location tracking and analysis with automatic visit detection, trip classification, Immich integration, and multi-user timeline support.

Open-source financial data platform for analysts, quants, and AI agents — a free alternative to Bloomberg Terminal.

Open-source uptime and SSL monitoring service with status pages, multiple notification channels, and Prometheus integration.

Open-source deployment and server management platform for running apps across many servers. Self-hostable alternative to Heroku, Vercel, and Railway.

Flowise is an open-source, visual, low-code/no-code tool designed to help users build AI agents and sophisticated LLM-powered workflows through a drag-and-drop interface. It features a Node.js backend and a React frontend, along with modular components for integrations and API documentation—making it accessible to both developers and non-technical users.

Open Alt Finder Weekly Digest 2026 #39

Open-source command-line and desktop HTTP client with intuitive syntax, JSON support, and built-in auth — a developer-friendly Postman alternative.

Open-source team chat with a unique topic-based threading model that makes it easy to follow multiple conversations.

A beautiful, self-hosted ROM manager and player for your retro game collection, with rich metadata and in-browser emulation.

An open source run tracker for Android.

Self-hosted, open-source headless CMS built specifically for Astro.js with a block-based page builder.

Self-hosted uptime monitoring tool with a polished UI, 90+ notification integrations, and built-in public status pages.

Self-hosted web app for archiving, searching, and exporting email from multiple IMAP accounts with migration support.

Open Alt Finder Weekly Digest 2026 #38

KillerPDF is a lightweight, fully portable PDF editor for Windows. Edit, merge, annotate, and sign PDFs locally with no subscription, accounts, or hidden telemetry anywhere on your computer.

Keila is the open-source newsletter and email campaign tool — a friendly Mailchimp alternative for beautiful campaigns, sign-up forms, and contact lists.

Self-hosted web analytics platform for tracking website traffic without compromising user privacy.

Apache Airflow is a platform to programmatically author, schedule, and monitor complex workflows. Build pipelines as code and orchestrate your data jobs with rich observability.

High-performance Rust-based S3-compatible object storage with deduplication, SQL queries, and federation.

Free, open-source desktop video editor for Linux, Windows, and macOS built with Qt 6 and FFmpeg.

Open Alt Finder Weekly Digest 2026 #37

Open-source wealth management software to track stocks, ETFs, cryptocurrencies, and your overall net worth.

Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.

Self-hosted library and reading platform for ebooks, audiobooks, PDFs, and comics with built-in web readers and Kobo/KOReader sync.

Self-hosted tracker for media consumption and fitness, with imports from Trakt, Goodreads, MyAnimeList, Plex, Jellyfin and more.

Turn raw screenshots into polished, shareable visuals. Free, open-source, and completely offline with Tauri.

Simple URL Shortener is a lightweight PHP URL shortener with MySQL or SQLite support, per-user history, an admin panel, REST API, and an easy self-hosted setup process.

100% local Windows meeting transcription tool with real-time captions, speaker diarization, and offline Whisper processing.

Open Alt Finder Weekly Digest 2026 #36

Self-hosted read-it-later app that preserves web page content and lets you read it anytime, offline or online.

Open-source team chat with a unique topic-based threading model that makes it easy to follow multiple conversations.

Self-hosted, privacy-first location timeline platform that turns raw GPS data into a searchable history of stays, trips, and movement patterns.

Decentralized private messenger using email infrastructure for secure, end-to-end encrypted communication.

A simple, lightweight home media server for UNIX systems.