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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.

Web-based note taking on local Markdown files, offline
  • Stars

    1,235
  • Last commit

    22 hours ago
  • License

    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 days362
  • Last commit

    6 days ago
  • License

    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 days2,039
  • Last commit

    7 hours ago
  • License

    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:

Issue tracker where people and AI agents share one board
  • Stars

    Stars growing quickly over the last 30 days1,978
  • Last commit

    16 hours ago
  • License

    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:

P2P file transfer with no cloud, no accounts, no size limits
  • Stars

    Stars growing over the last 30 days1,907
  • Last commit

    25 days ago
  • License

    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

    4,996
  • Last commit

    3 days ago
  • License

    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 days364
  • Last commit

    24 hours ago
  • License

    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

    58
  • Last commit

    15 hours ago
  • License

    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

    Stars growing over the last 30 days120
  • Last commit

    13 days ago
  • License

    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 days460
  • Last commit

    10 days ago
  • License

    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 days159
  • Last commit

    2 days ago
  • License

    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 days571
  • Last commit

    26 days ago
  • License

    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 days4,931
  • Last commit

    6 hours ago
  • License

    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 days187
  • Last commit

    3 days ago
  • License

    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 days7,095
  • Last commit

    18 hours ago
  • License

    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 quickly over the last 30 days339
  • Last commit

    10 days ago
  • License

    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:

Track Google rankings and research keywords on your own data
  • Stars

    Stars growing quickly over the last 30 days590
  • Last commit

    11 hours ago
  • License

    AGPL-3.0
SEO platform for tracking daily Google positions, researching keywords and inspecting backlinks, using your own DataForSEO or SerpApi keys. Self-host or run hosted.

Open Source Alternative to:

Cookieless web analytics with realtime data and revenue tracking
  • Stars

    Stars growing over the last 30 days642
  • Last commit

    4 days ago
  • License

    AGPL-3.0
Privacy-first web analytics with realtime visitors, funnels, web vitals and revenue attribution from one small cookieless script. No consent banner needed.

Open Source Alternative to:

Track monthly spending and work toward savings goals
  • Stars

    890
  • Last commit

    14 hours ago
  • License

    AGPL-3.0
Budgeting app that tracks accounts, assets and transactions, sets category budgets, and syncs with banks through SimpleFIN and LunchFlow, with goal tracking and trend charts.

Open Source Alternative to:

Self-hosted feedback boards, roadmaps, and changelogs
  • Stars

    Stars growing quickly over the last 30 days189
  • Last commit

    11 hours ago
  • License

    MIT
Collect user feedback, manage feature requests, and publish changelogs on your own infrastructure. AI groups duplicates and drafts release notes automatically.

Open Source Alternative to:

Lightweight virtualization for homelabs up to large data centers
  • Stars

    Stars growing quickly over the last 30 days2,017
  • Last commit

    16 days ago
  • License

    GPL-3.0
Virtualization platform built on the ZSphere engine, with agentless VMware migration, built-in VM encryption, Terraform support, and 2,000+ API endpoints.

Open Source Alternative to:

One platform for pipelines, quality, lineage, and AI analytics
  • Stars

    1,789
  • Last commit

    2 days ago
  • License

    Apache-2.0
Replaces Fivetran, dbt, Airflow, and BI tools with a single CLI-based platform covering ingestion, SQL/Python pipelines, quality checks, lineage, and an AI analyst.

Open Source Alternative to:

Build apps from a prompt on your own desktop, with code you own
  • Stars

    295
  • Last commit

    2 months ago
  • License

    MIT
Desktop AI app builder that turns plain-English prompts into editable code. Runs locally, works with any OpenAI-compatible model, and supports React, Vue, and Svelte.

Open Source Alternative to:

Headless e-commerce backend with GraphQL and an AI assistant
  • Stars

    204
  • Last commit

    1 day ago
  • License

    EUPL-1.2
Headless e-commerce platform built on Node.js, GraphQL and MongoDB or PostgreSQL, with an admin dashboard, an MCP-based AI assistant and no per-transaction fees.

Open Source Alternative to:

Run your own image and video sharing site with full control
  • Stars

    1,002
  • Last commit

    2 days ago
  • License

    AGPL-3.0
Self-hosted platform for building an image and video sharing site with user accounts, albums, an admin dashboard, custom branding, and external storage support.

Open Source Alternative to:

Self-hosted money manager with bank sync and shared expenses
  • Stars

    Stars growing over the last 30 days4,116
  • Last commit

    6 hours ago
  • License

    AGPL-3.0
Track bank accounts, investments, budgets, recurring bills and split expenses in one self-hosted app, with bank connections across Europe, the US and Brazil.

Open Source Alternative to:

Plan your week on a visual timeline, offline-first
  • Stars

    Stars growing over the last 30 days158
  • Last commit

    2 days ago
  • License

    AGPL-3.0
Local-first task manager built around a weekly timeline. Works offline, syncs across devices, uses Vim-style keys, and runs on your own server with Docker.

Open Source Alternative to:

Run Codex, Claude Code and Hermes inside your product
  • Stars

    Stars growing quickly over the last 30 days3,653
  • Last commit

    5 hours ago
  • License

    Apache-2.0
Single API for running agent harnesses like Codex, Claude Code and Hermes as runtimes in your product, with isolated sandboxes, sessions, streaming and tracing.

Open Source Alternative to:

Immutable double-entry ledger for building financial products
  • Stars

    Stars growing over the last 30 days570
  • Last commit

    2 days ago
  • License

    Apache-2.0
Immutable double-entry ledger with multi-currency balances, inflight holds, split and bulk transactions, and reconciliation, for teams building fintech and payment products.

Open Source Alternative to:

A shared design canvas where AI agents work beside you
  • Stars

    Stars growing quickly over the last 30 days987
  • Last commit

    5 hours ago
  • License

    AGPL-3.0
Infinite multiplayer design canvas that AI agents join over MCP, acting as you. They draw frames, review their own work and act on your comments.

Open Source Alternative to:

Run one-click apps on a server you control
  • Stars

    Stars growing over the last 30 days1,237
  • Last commit

    10 hours ago
  • License

    AGPL-3.0
A personal cloud that runs web apps on your own hardware, a rented VPS, or a managed instance, with one-click installs and sandboxed containers for each app.

Open Source Alternative to:

A native Rust email client that runs on a fraction of the RAM
  • Stars

    Stars growing quickly over the last 30 days1,622
  • Last commit

    21 hours ago
  • License

    AGPL-3.0
Email client written entirely in Rust for desktop and mobile. It uses its own renderer instead of a WebView and syncs mail, calendars, contacts, and files.

Open Source Alternative to:

Author, schedule, and monitor workflows in Python
  • Stars

    47,279
  • Last commit

    5 hours ago
  • License

    Apache-2.0
Python-based workflow orchestration platform for scheduling, monitoring, and managing data pipelines at any scale.

Open Source Alternative to:

A free video editor with no watermark, account, or subscription
  • Stars

    Stars growing over the last 30 days818
  • Last commit

    8 hours ago
  • License

    MIT
Video editor with an unlimited multi-layer timeline, keyframe motion, and extension support. No watermark, no account, no paid tier, and the full source is public.

Open Source Alternative to:

Run several AI coding agents side by side in real terminals
  • Stars

    Stars growing quickly over the last 30 days584
  • Last commit

    6 hours ago
  • License

    MIT
Native Mac app that runs Claude Code, Codex, OpenCode, Pi and other coding agents in real terminals, with live status for each session and local-only code.

Open Source Alternative to:

Self-custody Bitcoin wallet with multisig and coin control
  • Stars

    3,336
  • Last commit

    6 hours ago
  • License

    MIT
Bitcoin-only mobile wallet for iOS and Android that keeps keys on your device, with multisig vaults, hardware wallet support, watch-only mode and coin control.

Open Source Alternative to:

Git-based content editing for static sites
  • Stars

    19,447
  • Last commit

    3 days ago
  • License

    MIT
Web-based editor for static site content stored in your Git repository. Works with Hugo, Next.js, Gatsby and Jekyll, with an editorial workflow and live preview.

Open Source Alternative to:

Self-hosted email for your domain, without a mail server
  • Stars

    Stars growing quickly over the last 30 days5,158
  • Last commit

    2 days ago
  • License

    AGPL-3.0
Custom-domain email platform built on Cloudflare Workers or Docker, with full send/receive, shared inboxes, spam filtering, 2FA, and scheduled backups.

Open Source Alternative to:

Keep track of the people you care about and when to reach out
  • Stars

    25,530
  • Last commit

    1 month ago
  • License

    AGPL-3.0
Personal CRM that stores notes, important dates, conversations, gifts and reminders for friends, family and colleagues. Self-host it for free or use the hosted version.

Open Source Alternative to:

Finance terminal with charts, filings, news, and live data
  • Stars

    Stars growing quickly over the last 30 days2,537
  • Last commit

    5 hours ago
  • License

    MIT
Desktop, browser, and TUI finance terminal with shortcuts for charts, options, filings, earnings, portfolios, volatility, and macro data.

Open Source Alternative to:

Visual disk usage analyzer with safe cleanup tools
  • Stars

    Stars growing quickly over the last 30 days2,074
  • Last commit

    8 days ago
  • License

    AGPL-3.0
Scans your disk into an interactive sunburst or treemap chart, then lets you safely delete, trash, secure-erase, or back up the space hogs.

Open Source Alternative to:

Kubernetes developer platform with golden paths for teams and agents
  • Stars

    Stars growing over the last 30 days1,676
  • Last commit

    6 hours ago
  • License

    Apache-2.0
Internal developer platform for Kubernetes with a Backstage-based portal, golden paths, GitOps, built-in observability, and SRE and FinOps agents for developers and AI agents.

Open Source Alternative to: