Open Source Alternatives to Popular Software

Temporal

MIT

Open source platform that eliminates infrastructure complexity by handling failures, network issues, and long-running processes to ensure reliable workflow execution

Tracecat

AGPL-3.0

Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.

Ntfy

Apache-2.0

A lightweight, open-source solution for sending real-time notifications to your devices, with end-to-end encryption and no sign-up required.

Sequin

MIT

Sequin offers a feature-rich messaging system with a simple HTTP API, providing RabbitMQ-like functionality without adding complexity to your stack.

Cozy

AGPL-3.0

Open-source personal cloud that automatically gathers all your data from third-party services. French-hosted with privacy-first design, no ads, and seamless device sync.

Filestash

AGPL-3.0

Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.

Firefiles

AGPL-3.0

Firefiles is an open-source alternative to Dropbox that lets you manage files across multiple cloud storage providers through a single interface.

Hoodik

Unknown

Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.

Puter

AGPL-3.0

Puter is a cloud-based desktop OS you run in the browser, with built-in apps, file storage, and support for hosting web apps and sites.

Twake Drive

AGPL-3.0

Open source encrypted data storage solution offering secure file sharing, collaboration tools, and on-premises deployment for professional teams.

Plakar

ISC

Backup solution with CLI, API and UI interfaces. Clean defaults, easy deployment. Encrypted, queryable backups with deduplication and compression.

Pluton

Apache-2.0

Free, open-source backup solution with end-to-end encryption. Self-hosted control, supports 70+ cloud providers, automated incremental backups, and zero vendor lock-in.

0 Finance

MIT

High-yield treasury management for startups earning 8% APY with insurance coverage up to $1M. Open US/EU accounts instantly with full liquidity and no minimums.

Fincept Terminal

Unknown

Comprehensive financial data platform offering economic insights, market analysis, and portfolio management tools

Ghostfolio

AGPL-3.0

Open-source wealth management software for tracking stocks, ETFs, and cryptocurrencies across multiple portfolios

Hummingbot

Apache-2.0

Automate crypto trading strategies with a powerful, customizable platform. Connect to multiple exchanges and optimize your market making.

Wealthfolio

AGPL-3.0

Wealthfolio is a simple, secure desktop app for tracking investments and managing your wealth without compromising data privacy.

GIMP

Unknown

Free, open-source image editor with professional tools for photo manipulation, digital art creation, and graphic design. Cross-platform support.

Krita

GPL-3.0

Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for all skill levels.

OpenPencil

MIT

A Figma-compatible design editor with built-in AI chat, headless CLI, real-time P2P collaboration, and a Vue SDK for building custom editors. No account needed.

Penpot

MPL-2.0

Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.

OctoBot

GPL-3.0

OctoBot is an open-source platform for automated cryptocurrency trading, offering customizable strategies and easy integration with exchanges.

GDevelop

Unknown

Free, open-source game engine with visual event system, AI tutor, and one-click publishing to Steam, iOS, Android, and web platforms.

Godot

MIT

Build 2D, 3D, and XR games with a full-featured engine that includes its own scripting language, scene editor, and export tools for multiple platforms.