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.
Send webhooks and events at 1/10th the cost with flexible delivery
Stars
1,082Last commit
1 day 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
315Last commit
2 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 days1,904Last commit
4 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
195Last commit
17 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 days841Last commit
4 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 days314Last commit
2 days 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 days2,008Last commit
2 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 quickly over the last 30 days1,260Last commit
11 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 days684Last commit
10 hours 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 days1,489Last commit
3 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 days15,956Last commit
5 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
557Last commit
1 month 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 over the last 30 days1,334Last commit
5 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
211Last commit
2 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
164Last commit
4 hours 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 days930Last commit
3 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
2,144Last commit
4 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
34,132Last commit
16 days 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 days349Last commit
12 hours 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 days110Last commit
20 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 days1,535Last commit
16 hours 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 days118Last commit
8 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 days1,019Last commit
14 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 days11,119Last commit
4 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 days246Last commit
4 hours 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 days524Last commit
16 days 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
8,265Last commit
1 day 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:
Web-based note taking on local Markdown files, offline
Stars
1,237Last commit
2 days agoLicense
AGPL-3.0
Web app for taking notes that saves plain Markdown files to a folder you choose. Works offline, needs no sign-up, and offers backlinks, tags, and a WYSIWYG editor.
Open Source Alternative to:
Self-hosted ERP and CRM for SMBs, no license fees
Stars
Stars growing over the last 30 days383Last commit
3 days agoLicense
Apache-2.0
Self-hosted ERP and CRM covering sales, inventory, finance, manufacturing, HR, and projects across 10 modules on one shared database.
Open Source Alternative to:
Local AI research workbench with traceable results
Stars
Stars growing quickly over the last 30 days2,100Last commit
1 day agoLicense
MIT
Desktop app for macOS, Windows and Linux that plans research tasks, runs code and literature searches locally, and links every figure to its source.
Open Source Alternative to:
P2P file transfer with no cloud, no accounts, no size limits
Stars
Stars growing quickly over the last 30 days2,249Last commit
1 day agoLicense
Apache-2.0
Send files directly between devices with end-to-end encryption. No cloud storage, no accounts, no size limits. Works cross-platform over any network.
Open Source Alternative to:
Multi-model NoSQL database combining graphs and documents
Stars
4,999Last commit
2 days agoLicense
Apache-2.0
Operational NoSQL database that stores graphs and documents in one engine, with a visual graph editor, query studio and command-line console for managing data.
Open Source Alternative to:
Hold a key and talk to type in any app, offline
Stars
Stars growing quickly over the last 30 days402Last commit
15 days agoLicense
MIT
Voice dictation in 99 languages with an AI assistant, spoken conversations, and bot-free meeting notes. Runs on your computer for Windows, macOS and Linux.
Open Source Alternative to:
Local dictation and meeting transcripts on Mac and Windows
Stars
64Last commit
1 day agoLicense
AGPL-3.0
Dictate into any app and record meetings with live transcripts and speaker labels, all processed on your own Mac or Windows computer. Dictation is free and unlimited.
Open Source Alternative to:
AI and human agents in one inbox, self-hosted
Stars
121Last commit
16 hours agoLicense
Apache-2.0
Self-hostable customer support platform combining AI agents and human teams across email, WhatsApp, Telegram, and in-product chat with shared context.
Open Source Alternative to:
Press a shortcut, speak, and your words get pasted anywhere
Stars
Stars growing over the last 30 days479Last commit
6 days agoLicense
MIT
Dictation for macOS that transcribes speech on-device with Apple's Speech framework and pastes text into any app. No account, API key, or telemetry.
Open Source Alternative to:
Design on an infinite canvas and export Next.js code
Stars
Stars growing quickly over the last 30 days175Last commit
5 days agoLicense
AGPL-3.0
Visual website builder with an infinite canvas, built-in CMS, localization and animations. Exports a real Next.js project, with unlimited pages, records and visitors.
Open Source Alternative to:
Send and accept payments worldwide with stablecoins
Stars
Stars growing over the last 30 days583Last commit
2 months agoLicense
Apache-2.0
Community-owned payments platform for accepting and sending money in 220+ countries and regions. It mirrors the Stripe API and settles payouts in stablecoins.
Open Source Alternative to:
Record your screen and polish it into a finished demo
Stars
Stars growing quickly over the last 30 days7,345Last commit
4 hours agoLicense
MIT
Screen recorder and video editor for Windows, macOS and Linux with automatic zooms, styled backgrounds, an editable cursor, local captions and no watermark.
Open Source Alternative to:
Notes, mini-apps and AI agents on one shared infinite canvas
Stars
Stars growing quickly over the last 30 days207Last commit
11 days agoLicense
MIT
Real-time collaborative canvas that combines rich notes, interactive mini-apps and a board-aware AI agent, with support for eight model families and self-hosting.
Open Source Alternative to:
Turn long videos into captioned 9:16 clips automatically
Stars
Stars growing quickly over the last 30 days8,466Last commit
1 day agoLicense
MIT
AI clip generator that finds the best moments in podcasts, streams and interviews, reframes them to vertical, and adds captions and hooks for TikTok, Reels and Shorts.
Open Source Alternative to:
Fast local spreadsheet with formula tracing and AI agent access
Stars
Stars growing over the last 30 days350Last commit
8 days agoLicense
AGPL-3.0
Spreadsheet that opens Excel, CSV and ODS files, traces where every number comes from, and lets a connected AI agent edit the sheet while you stay in control.
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