Browse Upcoming Open Source Tools & Software
A list of open source tools that are scheduled to be published on OpenAlternative soon. They are not visible anywhere else on the site.
Run 60+ AWS services locally, free forever
Stars
5,015Last commit
13 hours agoLicense
MIT
MIT-licensed AWS emulator running 60+ services in a single Docker container. Drop-in replacement for LocalStack with real Postgres, Redis, and Docker containers.
Open Source Alternative to:
Self-hosted PaaS for rapid app and database deployment
Stars
1,387Last commit
14 hours agoLicense
MIT
Deploy apps, databases, and static sites in under 60 seconds. Self-hosted platform with Docker Swarm, free SSL, preview deployments, and zero downtime.
Open Source Alternative to:
Low-latency code-pairing made by developers
Stars
Stars growing over the last 30 days713Last commit
5 days agoLicense
AGPL-3.0
Open-source remote pair programming tool with HD screen sharing, noise-cancelling audio and low-latency remote control. Built specifically for developers.
Open Source Alternative to:
Fast, secure, offline API client for REST and gRPC
Stars
719Last commit
1 day agoLicense
BSD-3-Clause
Cross-platform API client offering fast, secure, and offline testing for REST and gRPC services. Available on macOS, Windows, and Linux with intuitive design.
Open Source Alternative to:
Create privacy-first static websites with ease
Stars
7,362Last commit
3 days agoLicense
GPL-3.0
Desktop CMS for building fast, secure static websites with zero technical complexity. GDPR & CCPA compliant with one-click deployment.
Open Source Alternative to:
Free open-source control panel for VPS and dedicated servers
Stars
Stars declining quickly over the last 30 days753Last commit
1 month agoLicense
MIT
Self-hosted alternative to cPanel and Plesk. Manage websites, databases, SSL certificates, and server resources with an intuitive interface. No license fees.
Open Source Alternative to:
Self-hosted time tracking with complete data control
Stars
634Last commit
1 day agoLicense
GPL-3.0
Free open-source time tracking software with 120+ features. Track time, manage projects, generate invoices. Complete data control with Docker deployment.
Open Source Alternative to:
Team chat with native GitHub and Linear integrations
Stars
729Last commit
11 days agoLicense
FSL-1.1-ALv2
Team chat for developers with threads, full-text search, keyboard-first navigation, GitHub and Linear previews, desktop apps, and message sync with Slack and Discord.
Open Source Alternative to:
SQL-driven analytics dashboards for product embedding
Stars
1,265Last commit
9 hours agoLicense
MPL-2.0
Build interactive analytics dashboards with SQL and embed them directly into your product. Open-source platform with full data control and DuckDB flexibility.
Open Source Alternative to:
Open-source feedback boards, roadmaps and changelogs
Stars
Stars growing quickly over the last 30 days330Last commit
4 days agoLicense
AGPL-3.0
Collect, prioritize and act on user feedback. Public boards, roadmaps and changelogs show users what you're planning and what has shipped.
Open Source Alternative to:
Single sign-on for your self-hosted apps
Stars
2,892Last commit
11 hours agoLicense
AGPL-3.0
Open-source single sign-on and user management for your self-hosted applications, with OIDC, ForwardAuth, LDAP and passkey support.
Open Source Alternative to:
Pixel art, vectors, animation, and photo editing in one
Stars
8,110Last commit
4 days agoLicense
LGPL-3.0
Desktop 2D graphics editor combining pixel art tools, vector drawing, frame-by-frame animation, and a node graph workflow for procedural, non-destructive editing.
Open Source Alternative to:
Own your data with open-source personal cloud OS
Stars
5,320Last commit
4 hours agoLicense
AGPL-3.0
Self-hosted personal AI cloud operating system that puts you in control of your data. Deploy apps, run AI tools locally, and access everything from anywhere.
Open Source Alternative to:
AI-powered open-source CRM with flexible automation
Stars
222Last commit
5 hours agoLicense
AGPL-3.0
Open-source CRM alternative with AI agents, n8n automation, and GDPR compliance. Ready in 2 minutes with transparent pricing and no feature bloat.
Open Source Alternative to:
AI assistant that searches and answers across all your work tools
Stars
807Last commit
27 days agoLicense
Apache-2.0
Open-source AI assistant connecting 15+ work tools with instant answers, code execution, and task automation. Self-hosted on your infrastructure with full permission inheritance.
Open Source Alternative to:
Send webhooks and events at 1/10th the cost with flexible delivery
Stars
1,072Last commit
2 days agoLicense
Apache-2.0
Open-source infrastructure for reliable event delivery to webhooks, SQS, RabbitMQ, Kafka, and more. Deploy managed or self-hosted in minutes.
Form spam protection without puzzles or CAPTCHAs
Stars
313Last commit
3 days agoLicense
MIT
Self-hosted spam protection for web forms that checks submissions without CAPTCHA puzzles, calculations, or cookies, keeping data encrypted and auto-deleted after 14 days.
Open Source Alternative to:
Automate database backups and restores, self-hosted
Stars
Stars growing over the last 30 days1,855Last commit
23 hours agoLicense
Apache-2.0
Self-hosted database backup tool that automates scheduling, retention, and on-demand restores across 10+ databases with multi-backend storage support.
Open Source Alternative to:
Encrypted desktop backups to any drive, NAS or cloud
Stars
191Last commit
2 days agoLicense
AGPL-3.0
Desktop backup app for Windows, macOS and Linux. Pick folders, encrypt files on your device, and restore older versions from local, NAS or cloud storage.
Open Source Alternative to:
Local-first AI journal that organizes text, photos and voice
Stars
Stars growing over the last 30 days806Last commit
17 hours agoLicense
GPL-3.0
AI journal for iOS and Android that turns text, photos and voice notes into timeline cards and insights. Data stays on your phone, and you pick your own LLM.
Open Source Alternative to:
SQL workbench with a schema-aware AI copilot
Stars
Stars growing over the last 30 days306Last commit
10 hours agoLicense
Apache-2.0
AI-native data workspace that connects to your databases and combines a SQL editor, schema browser, and chat-based querying in one local-first tool.
Open Source Alternative to:
Run open AI models privately on your own device, offline
Stars
Stars growing quickly over the last 30 days1,850Last commit
3 days agoLicense
Apache-2.0
Desktop and mobile app that runs 1,000+ open models like Gemma, Qwen and DeepSeek locally. No account, no cloud, no rate limits, and chats never leave your device.
Open Source Alternative to:
Search, scrape, crawl and extract web data for AI agents
Stars
Stars growing over the last 30 days1,178Last commit
12 hours agoLicense
AGPL-3.0
Web data API for AI agents that searches, scrapes, crawls, maps, extracts and monitors pages, returning clean markdown or JSON. Runs managed or self-hosted.
Open Source Alternative to:
Dictate into any desktop app, with optional AI cleanup
Stars
Stars growing quickly over the last 30 days641Last commit
4 days agoLicense
MIT
Desktop voice typing app for Windows, macOS and Linux. Speak in 99 languages, bring your own speech and AI providers, and optionally format text for each app.
Open Source Alternative to:
JMAP webmail for Stalwart: mail, calendar, contacts, files
Stars
Stars growing quickly over the last 30 days1,343Last commit
23 hours agoLicense
AGPL-3.0
Browser-based webmail client built on JMAP for Stalwart Mail Server, combining mail, calendar, contacts, and file storage in one self-hosted interface.
Open Source Alternative to:
One server for email, calendars, contacts, and files
Stars
Stars growing over the last 30 days15,298Last commit
6 days agoLicense
AGPL-3.0
Mail and collaboration server supporting JMAP, IMAP4, POP3, SMTP, CalDAV, CardDAV, and WebDAV. Written in Rust with built-in spam filtering, encryption, and clustering.
Open Source Alternative to:
Design database schemas visually and generate SQL migrations
Stars
555Last commit
22 days agoLicense
AGPL-3.0
Visual ER diagram editor that generates incremental SQL migrations, tracks schema history, and creates rollback scripts for PostgreSQL, MySQL, MariaDB, SQLite, Oracle and SQL Server.
Open Source Alternative to:
Browser-based database IDE that runs inside your network
Stars
Stars growing quickly over the last 30 days1,280Last commit
4 hours agoLicense
MIT
A self-hosted database IDE that deploys as a container next to your data, covering 19 engines including PostgreSQL, MySQL, MongoDB, and Redis, with SSO and audit included.
Open Source Alternative to:
A unified-model ERP for large, mission-critical deployments
Stars
212Last commit
3 days agoLicense
GPL-2.0
ERP platform built on a Unified Business Model that simplifies configuration. Used by banks, governments and corporations for scalable, mission-critical business applications.
Open Source Alternative to:
Design small business sites visually and export static HTML
Stars
163Last commit
2 days agoLicense
GPL-3.0
Desktop website builder with ready-made designs for salons, hotels, dentists and more. Customize visually, then export a static site to host anywhere.
Open Source Alternative to:
Route LLM requests through one gateway with budgets and logs
Stars
Stars growing quickly over the last 30 days737Last commit
4 hours agoLicense
Apache-2.0
LLM gateway built on any-llm from Mozilla.ai. Routes requests across model providers, with a hosted option for observability, budgets, and team management.
Open Source Alternative to:
File-based feature flags with rollouts and OpenFeature SDKs
Stars
2,125Last commit
11 hours agoLicense
MIT
Feature flag management that reads flags from a file you control, with targeting, progressive rollouts, A/B testing and OpenFeature SDKs for 16 languages.
Open Source Alternative to:
VS Code builds without Microsoft's telemetry or branding
Stars
33,807Last commit
4 hours agoLicense
MIT
Community-built binaries of the VS Code editor, licensed under MIT with telemetry disabled, for people who want the editor without Microsoft's proprietary product license.
Open Source Alternative to:
Bot-free meeting recorder with on-device AI summaries
Stars
Stars growing quickly over the last 30 days324Last commit
2 days agoLicense
MIT
Records Mac audio without joining calls, then transcribes and summarizes meetings on-device or via your own API key. Free, MIT-licensed, no account required.
Open Source Alternative to:
GRC for startups and SMEs, covering security, privacy and legal
Stars
Stars growing over the last 30 days107Last commit
7 days agoLicense
Apache-2.0
Governance, risk and compliance platform that brings security, privacy and legal work into one system, with 18+ frameworks, EU data residency and SSO included.
Open Source Alternative to:
Block distracting apps with friction that actually works
Stars
Stars growing over the last 30 days1,454Last commit
3 days agoLicense
GPL-3.0
Android app that blocks distracting apps, websites, Reels, and Shorts with customizable unlock challenges, focus sessions, and usage tracking. No ads, no account needed.
Open Source Alternative to:
Ticketing, memberships and private guest lists for communities
Stars
Stars growing over the last 30 days116Last commit
15 hours agoLicense
MIT
Event platform for clubs, venues and communities. Sells tickets and memberships, designs seat maps, screens attendees and keeps guest data private.
Open Source Alternative to:
Offline voice dictation for Linux, no account required
Stars
Stars growing over the last 30 days966Last commit
5 hours agoLicense
AGPL-3.0
Hold a hotkey and speech lands in any focused app. Runs locally with whisper.cpp, VOSK, or Faster Whisper. No telemetry, no cloud account.
Open Source Alternative to:
GPU-accelerated RAW editor, just 20 MB
Stars
Stars growing over the last 30 days10,706Last commit
17 hours agoLicense
AGPL-3.0
Non-destructive RAW photo editor with GPU-accelerated processing, AI masking, batch editing, and generative object removal for Windows, macOS, and Linux.
Open Source Alternative to:
Email, calendar and contacts in one app, funded by donations
Stars
Stars growing quickly over the last 30 days216Last commit
1 day agoLicense
MPL-2.0
Desktop email client that combines multiple accounts, calendars and contacts in one app, with a unified inbox, tagging, and no ads or data collection.
Open Source Alternative to:
Read, annotate, and understand research papers fast
Stars
Stars growing over the last 30 days510Last commit
19 hours agoLicense
AGPL-3.0
A focused reader for academic papers that combines annotation tools with AI-powered understanding to help you get more from research.
Open Source Alternative to:
Self-hosted bastion with SSO, RBAC, and session recording
Stars
8,140Last commit
9 hours agoLicense
Apache-2.0
Clientless bastion and PAM that proxies SSH, RDP, VNC, Kubernetes, PostgreSQL, and MySQL with SSO, RBAC, and full session recording.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
InfluxDB
Openlane
Sent