Open Source Software Alternatives

Open LLM app platform with visual workflows, RAG pipeline, agents and model management. Deploy self-hosted, in your VPC, or on Dify Cloud.

Open-source social media manager for writing, designing, scheduling, and tracking posts — an alternative to Buffer, Canva, and CapCut.

An open-source, single-executable Firebase alternative with sub-millisecond REST and realtime APIs, built-in auth, a WebAssembly runtime, and an admin UI.

Encrypt Kubernetes Secrets into SealedSecrets that are safe to store in Git, decrypted only by a controller in your cluster.

Open-source finance terminal with a desktop app and TUI for market research, portfolio tracking, and real-time data workflows.

Self-hosted web app to manage your Two-Factor Authentication (2FA) accounts and generate TOTP and HOTP codes from any browser.

OpenShot is a free, open-source video editor for Linux, macOS, and Windows with unlimited tracks, keyframe animation, and 3D titles.

Open-source PWA audioguide for museums and cultural institutions that runs in any browser.

Self-hosted photo and video library with animated thumbnails, full-text search, and optional local speech transcription.

Open-source visual bookmarking: save images to boards, follow Fediverse accounts, and share collections — no ads, no algorithm.

A self-hosted ebook library that runs on Cloudflare R2 or a local Node server, with in-browser EPUB and PDF readers and per-profile reading positions.

Open-source 2D drafting and 3D modeling CAD app built with Rust. Reads and writes DWG/DXF natively with desktop and browser builds.

Open-source visual website builder with a Figma-like canvas, built-in Frappe CMS, one-click publishing and an AI page agent.

Self-hosted dashboard that turns your Strava and FIT/TCX/GPX activity data into deep stats, heatmaps and gear tracking.

Open-source wiki platform for teams and enterprises, offering structured content, apps, and custom page development.

Open source ERP/CRM/HRM platform with time tracking, invoicing, payroll, and project management for teams and freelance networks.

Free, open-source disk cleaner for Windows, macOS and Linux. Find caches, large files, duplicates and app leftovers, see where your space goes, and review files before deleting them.

Open source notification infrastructure you self-host — one API for email, SMS, push, and webhooks with fallbacks, quiet hours, retries, and logs.

Local-first antivirus for AI agents that blocks risky commands, secret access, prompt injection, malicious packages, and MCP threats at runtime.

Open-source, clean-room reimplementation of Adobe Photoshop in pure Rust — layers, masks, adjustments and real PSD files.

Open source personal finance platform for tracking accounts, transactions, and monthly budgets, with CSV imports. Self-host via Docker or AWS.

Open-source motion graphics and VFX compositor in Rust — a clean-room challenger to Adobe After Effects.

Open-source, clean-room reimplementation of Adobe InDesign in Rust — page layout and publishing.

Open-source, clean-room reimplementation of Adobe Premiere Pro in Rust — editing, colour, captions and export.

Open-source, clean-room reimplementation of Adobe Lightroom in Rust — photo library and raw development, local-first.

Open-source, clean-room take on the Adobe Illustrator workflow, built in pure Rust for desktop and web.

Self-hosted coding factory that turns labeled GitHub Issues into independently reviewed, merged PRs and releases.

Open-source PDF workbench in pure Rust — read, organize, combine, split, comment and secure PDFs.

Continuous peer-to-peer file synchronization that speaks the Syncthing BEP protocol and needs no cloud account.

Open-source browser design editor for posters, social posts and slides, with templates, real-time co-editing and PNG, SVG, PDF and video exports.

Private, self-hosted search engine that indexes the pages you visit and the files you keep for full-text and semantic search.

Self-hosted, open-source task manager with lists, kanban boards, Gantt charts, reminders, and CalDAV — a free alternative to Todoist.

Open-source business intelligence tool for dashboards, self-serve analytics, and embedded analytics on top of your company databases.

NVIDIA's open-source runtime that runs AI agents in kernel-isolated sandboxes with policy-enforced file, network, and credential access.

Self-hosted, offline-first productivity app combining tasks, habits, a Pomodoro focus timer, and calendar with optional WebDAV sync.

Private, in-browser AI summarizer for articles, videos, and PDFs that runs entirely on-device via WebGPU, WebAssembly, or a local Ollama instance.

A fast, vim-inspired terminal RSS reader with a powerful query language, zen mode, and support for Feedly, Inoreader, Miniflux, FreshRSS and more.

Self-hosted music request and discovery server that drives your own download clients, verifies every file, and shelves it in a library you own.

A fast, self-hosted web file manager with multi-source browsing, granular permissions, and WebDAV access to your own storage.

A self-hosted calendar and task planner in one, with two-way CalDAV, Google Calendar, and Apple Calendar sync.

Open-source workspace where teams and AI agents plan tasks, run them in sandboxes, and review results together.

Offline gym log for Android with a tap-the-muscle body map, 500+ animated exercises, rest timers, and no internet permission at all.

Open-source homeserver orchestrator that turns any Linux server or Raspberry Pi into a personal cloud with one-click installs for 270+ self-hosted apps.

Open-source podcast hosting platform with fediverse integration, built-in analytics, and Podcasting 2.0 support.

Free, open-source weightlifting tracker for logging lifts, sets and reps — a private, installable web app and alternative to Hevy and Strong.

An open-source office suite in a single HTML file — slides, docs, and sheets that run entirely in the browser.

Open-source, end-to-end encrypted cloud for photos, videos, and 2FA secrets — a privacy-first Google Photos and iCloud Photos alternative.

Open-source help desk ticketing system. Routes emails, web forms, and phone requests into a unified agent workspace. Self-hosted, PHP, GPL-2.0.

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

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

Open-source AI chat and agent platform with multi-provider support, RAG, plugins, and an agent marketplace — self-hostable ChatGPT alternative.