Browse Latest Open Source Tools & Software
The newest open source tools and software added to OpenAlternative, sorted by publish date. Discover what's fresh in the open source world.
A personal agent that handles web errands and asks first
Stars
Stars growing quickly over the last 30 days1,649Last commit
7 hours agoLicense
Apache-2.0
Personal agent that chases invoices, preps client calls and cancels trials on real websites. Runs on your own computer with the AI provider you pick.
Open Source Alternative to:
AI assistant that searches and answers across all your work tools
Stars
827Last commit
6 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:
Answers business calls, books appointments, and hands off urgent ones
Stars
56Last commit
1 day agoLicense
MIT
AI receptionist for small businesses that answers calls in 70+ languages, books appointments into your calendar, takes messages, and transfers urgent calls to your team.
Open Source Alternative to:
AI-powered open-source CRM with flexible automation
Stars
Stars declining over the last 30 days222Last commit
15 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:
Own your data with open-source personal cloud OS
Stars
5,361Last 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:
Pixel art, vectors, animation, and photo editing in one
Stars
8,147Last commit
2 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:
Single sign-on for your self-hosted apps
Stars
2,923Last commit
4 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:
Run a fleet of coding agents across branches and PRs
Stars
Stars growing over the last 30 days14,726Last commit
3 hours agoLicense
Apache-2.0
Manages multiple AI coding agents in parallel, tracking branches, CI results, and review comments so you can merge work without babysitting each session.
Open Source Alternative to:
Open-source feedback boards, roadmaps and changelogs
Stars
Stars growing quickly over the last 30 days362Last commit
5 hours 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:
An agentic IDE that can control and automate itself
Stars
Stars growing quickly over the last 30 days5,631Last commit
13 hours agoLicense
MIT
Local-first IDE that runs multiple AI coding agents in parallel, supports plugins built in a single prompt, and lets any script or bot spawn work threads.
Open Source Alternative to:
SQL-driven analytics dashboards for product embedding
Stars
1,278Last commit
19 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:
Run a team of AI agents together on your desktop
Stars
Stars growing quickly over the last 30 days7,939Last commit
3 hours agoLicense
Other
Desktop app that lets multiple AI agents collaborate as a team, using your existing ChatGPT, Claude, Gemini, or Grok plans, with workspaces and conversations stored locally.
Open Source Alternative to:
Team chat with native GitHub and Linear integrations
Stars
738Last commit
6 hours 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:
Self-hosted time tracking with complete data control
Stars
644Last commit
7 hours 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:
Free open-source control panel for VPS and dedicated servers
Stars
Stars declining quickly over the last 30 days748Last commit
20 days 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:
Local-first workspace that runs AI agents on your documents
Stars
42Last commit
3 hours agoLicense
MPL-2.0
Write, organize, and run AI agents in a private workspace that stores everything locally, syncs peer-to-peer, and works offline on Windows, macOS, and Linux.
Open Source Alternative to:
Run a full IaaS, PaaS and SaaS cloud on your own servers
Stars
132Last commit
3 days agoLicense
Apache-2.0
Cloud platform built on Kubernetes that turns your hardware into VMs, storage, networking and managed services, run from a console or through GitOps.
Open Source Alternative to:
Record screen and face, cut pauses, export 4K free
Stars
54Last commit
2 days agoLicense
AGPL-3.0
Mac app that records your screen and camera together, auto-detects pauses for one-click cutting, and exports in 4K with no watermark or account required.
Open Source Alternative to:
Create privacy-first static websites with ease
Stars
7,403Last commit
8 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:
Fast, secure, offline API client for REST and gRPC
Stars
734Last commit
11 days 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:
Issue tracker where people and AI agents share one board
Stars
Stars growing quickly over the last 30 days2,323Last commit
4 hours agoLicense
AGPL-3.0
Self-hosted issue tracker with boards, timelines, initiatives and dashboards, where AI agents take assigned issues like teammates. AGPL-3.0, no per-seat fees.
Open Source Alternative to:
Low-latency code-pairing made by developers
Stars
Stars growing over the last 30 days739Last commit
6 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:
Self-hosted PaaS for rapid app and database deployment
Stars
1,395Last commit
1 day 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:
Run 60+ AWS services locally, free forever
Stars
Stars growing over the last 30 days5,158Last commit
7 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:
Desktop and phone app for your Claude, Codex and Grok sessions
Stars
24,655Last commit
7 hours agoLicense
MIT
Orchestrates Claude Code, Codex, and Grok through a single desktop and mobile app, reusing the AI subscriptions you already pay for.
Open Source Alternative to:
Message your coding agents as bots from any device
Stars
Stars growing quickly over the last 30 days2,107Last commit
4 hours agoLicense
Apache-2.0
Run Claude Code, Codex, Cursor, and 40+ AI agents as persistent bots across iPhone, Mac, Windows, and Linux with group chats, approvals, and end-to-end encryption.
Open Source Alternative to:
Local AWS emulator with no account, gates, or paid tiers
Stars
Stars growing quickly over the last 30 days31,781Last commit
3 hours agoLicense
MIT
Run AWS services locally in development and CI without an account, quotas, or feature restrictions. MIT licensed, no telemetry.
Open Source Alternative to:
Self-hosted mail delivery platform for sending and receiving email
Stars
16,958Last commit
2 days agoLicense
MIT
Run your own mail delivery infrastructure with a web interface, webhooks, IP pools, and spam filtering integrations for inbound and outbound email.
Open Source Alternative to:
Open source cloud platform for bare metal providers
Stars
12,415Last commit
5 hours agoLicense
AGPL-3.0
Self-hostable cloud platform offering elastic compute, managed Postgres, block storage, networking, and GitHub Actions runners on bare metal providers.
Open Source Alternative to:
Browser-based IMAP webmail with a full email client feel
Stars
7,279Last commit
4 days agoLicense
GPL-3.0
PHP-based webmail client with MIME support, address book, folder management, threaded views, PGP encryption, and a plugin API for self-hosted email.
Open Source Alternative to:
Self-hosted AI visibility tracking for your brand
Stars
Stars growing quickly over the last 30 days601Last commit
2 days agoLicense
MIT
Tracks how ChatGPT, Gemini, Claude, Perplexity, and other AI engines mention your brand, which competitors appear, and which sources get cited.
Open Source Alternative to:
Native desktop email with tracking, templates, and dark mode
Stars
18,013Last commit
1 day agoLicense
GPL-3.0
Desktop email client for Mac, Windows, and Linux with unified inbox, read receipts, link tracking, send later, grammar checking, and contact enrichment.
Open Source Alternative to:
Self-hosted DAM with fast search and asset workflows
Stars
26Last commit
3 days agoLicense
MIT
Self-hostable digital asset management platform with Elasticsearch-powered search, AI-assisted indexing, granular permissions, and API-first architecture for teams of any size.
Open Source Alternative to:
Privacy-first email app for Android, no ads ever
Stars
14,226Last commit
1 day agoLicense
Apache-2.0
Android email client from the Thunderbird project with unified inbox, multiple account support, OpenPGP encryption, and no ads or data tracking.
Open Source Alternative to:
Track your brand's presence in AI-generated answers
Stars
Stars growing quickly over the last 30 days258Last commit
3 days agoLicense
MIT
Runs prompts through ChatGPT, Perplexity, Gemini, Claude, and Google AI Overview interfaces via browser automation, then analyzes captured responses and citations with a model endpoint you configure.
Open Source Alternative to:
Open-source newsletter app billed by emails sent
Stars
Stars growing quickly over the last 30 days1,698Last commit
10 days agoLicense
AGPL-3.0
Newsletter platform billed by emails sent, not list size, with scheduling, a public website, AI agent access and deliverability tools from $19 a month.
Open Source Alternative to:
Track and improve your brand's visibility in AI answers
Stars
Stars growing quickly over the last 30 days209Last commit
8 hours agoLicense
MIT
Tracks how often AI tools like ChatGPT, Claude, and Perplexity mention or cite your brand, then fixes the gaps through AEO strategy and content work.
Open Source Alternative to:
Open source AI coding agent for the terminal and IDE
Stars
Stars growing over the last 30 days30,532Last commit
3 hours agoLicense
Apache-2.0
Terminal-based AI coding agent that reads your codebase, edits files and runs commands, with support for Qwen, OpenAI, Anthropic, Gemini and local models.
Open Source Alternative to:
AI coding agent that works inside your terminal
Stars
Stars growing over the last 30 days135,399Last commit
4 hours agoLicense
Apache-2.0
Terminal-based AI coding agent that inspects files, edits code, runs commands, and integrates into CI pipelines using OpenAI's Codex models.
Open Source Alternative to:
Client-side encryption for your cloud files
Stars
16,515Last commit
4 hours agoLicense
GPL-3.0
Encrypts files and filenames locally before they reach Dropbox, Google Drive, OneDrive, or any other cloud, so only you hold the key.
Open Source Alternative to:
Track and improve your brand's visibility in AI search
Stars
Stars growing quickly over the last 30 days241Last commit
7 hours agoLicense
MIT
Monitors how your brand appears across ChatGPT, Perplexity, Google AI Overviews, and other AI platforms, then turns those insights into prioritized content and optimization actions.
Open Source Alternative to:
Self-hosted password vault built for teams and compliance
Stars
Stars growing over the last 30 days1,892Last commit
1 day agoLicense
GPL-3.0
Collaborative password manager with folder-level access control, AES-256-GCM encryption, governance tools, and Linux password rotation, runs on your own servers.
Open Source Alternative to:
InfluxDB – The purpose-built time series platform for high-velocity ingestion and real-time queries at scale.
Stellar Hosted
Sent
Windshift