Free open source alternatives for Windows

Browse free and open source software that runs on Windows. Find open-source alternatives, compare features, platforms and pricing, and pick the right Windows tool for you.

Tencent Meeting

Based on more than 20 years of Tencent audio and video communication experience, Tencent Conference provides one-stop audio and video conferencing solutions, so that you can experience high-definition and smooth meetings and conference collaboration anytime and anywhere.

FreemiumWindowsmacOSAndroidiOS

DingTalk Meeting

Dingding conference official website, providing first-class enterprise video conferencing system and online collaboration tools. Secure, stable, simple, and powerful remote meeting experience to meet the needs of enterprises of different sizes, support multi-platform access, and ensure enterprise data security. Seamless remote collaboration makes meetings more efficient and simple.

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Onenote

Your digital notebook One cross-functional notebook for all your notetaking needs.

FreeWindowsmacOS

cppla ServerStatus

Cloud probes, multi-server probes, cloud monitoring, multi-server cloud monitoring

FreeWindowsmacOSLinux

Kiro

The AI IDE for prototype to production K i r o h e l p s y o u d o y o u r b e s t w o r k b y b r i n g i n g s t r u c t u r e t o A I c o d i n g w i t h s p e c - d r i v e n d e v e l o p m e n t . Kiro helps you do your best work by bringing structure to AI coding with spec-driven development.

FreemiumWindowsmacOSLinux

Plunk

The Open-Source Email Platform. Plunk is the open-source, affordable email platform that brings together marketing, transactional and broadcast emails into one single, complete solution.

FreeWindowsmacOSLinux

Turso

Turso - SQLite Databases for all Apps. Databases For All Local First Applications. Sign up to start building your next application with Turso. Get the simple developer experience of SQLite in production, and scale your multi-tenant backend with unlimited databases.

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Trae CN

Intelligence is boundless, collaboration seamless. Trae is committed to becoming the true AI engineer (The Real AI Engineer). The AI IDE product under Trae, with intelligent productivity at its core, seamlessly integrates into your development process, works in perfect harmony with you, and helps you complete every task with higher quality and efficiency.

FreeWindowsmacOS

Open Launch

Open Launch is a platform to discover and upvote the best tech products. Find top products launching daily. Discover and support the best new tech products. Explore daily launches and upvote your favorite projects.

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Yaak

The API client for modern developers A fast, offline, and Git friendly app for HTTP, GraphQL, WebSockets, SSE, and gRPC. Fast and private Local-only data, secrets encryption, and zero telemetry. Filesystem friendly Optionally store data as plain-text for use with Git. Extensible NodeJS plugin system for auth, template functions, and more.

FreemiumWindowsmacOSLinux

TortoiseGit

TortoiseGit provides overlay icons showing the file status, a powerful context menu for Git and much more!

FreeWindows

GoatCounter

Easy web analytics. No tracking of personal data. GoatCounter is an open source web analytics platform available as a free donation-supported hosted service or self-hosted app. It aims to offer easy to use and meaningful privacy-friendly web analytics as an alternative to Google Analytics or Matomo.

FreeWindowsmacOSLinux

Reactive Resume

A free and open-source resume builder that simplifies the process of creating, updating, and sharing your resume. Reactive Resume is a free and open-source resume builder that simplifies the process of creating, updating, and sharing your resume. With zero user tracking or advertising, your privacy is a top priority. The platform is extremely user-friendly and can be self-hosted in less than 30 seconds if you wish to own your data completely. It's available in multiple languages and comes packed with features such as real-time editing, dozens of templates, drag-and-drop customisation, and integration with OpenAI for enhancing your writing. You can share a personalised link of your resume to potential employers, track its views or downloads, and customise your page layout by dragging-and-dropping sections. The platform also supports various font options and provides dozens of templates to choose from. And yes, there's even a dark mode for a more comfortable viewing experience. Start creating your standout resume with Reactive Resume today!

FreeWindowsmacOSLinux

Zoho Meeting

Zoho Meeting is a secure online meeting platform and webinar solution that helps you connect, collaborate, and work remotely with efficacy. Schedule online meetings, stream live webinars and enhance your remote collaboration experience today with our highly secure online meeting software.

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RoboForm

Next generation password manager. Leading the way in password management technology, security, and innovation. RoboForm Password Manager. Stay secure, productive, and efficient with our seamless free password manager and form filling solution.

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Klaviyo

Intelligent email marketing and SMS platform with automation for faster, more efficient growth. Turn your customer data into hyper-personalized messages.

FreemiumWindowsmacOSLinux

Dub

Dub.co is the open-source link management platform for modern marketing teams to create marketing campaigns, link sharing features, and referral programs.

FreemiumWindowsmacOSLinux

ImageUnblur

What does it do? Image Unblur is an AI-powered online tool designed to restore clarity to low-quality images. It automatically analyzes and sharpens blurry photos, removes pixelation, and upscales resolution. Whether you need to fix out-of-focus shots, make blurry text readable, or restore old damaged photos, it handles the complex processing in seconds to deliver crisp, high-definition results. Who is it for? It is built for anyone who needs to salvage or enhance a photo. This includes photographers fixing slightly missed focus, digital marketers needing crisp assets, students and researchers trying to decipher blurry documents or screenshots, and archivists looking to restore clarity to old family memories without needing complex editing software. What makes it unique? Unlike generic photo editors that simply sharpen edges (often introducing noise), Image Unblur uses state-of-the-art Generative AI models tailored for specific tasks—such as a dedicated mode for unblurring text and another for enhancing facial details. It operates entirely in the browser with no software credits required for basic use, and strictly prioritizes user privacy by automatically deleting all uploaded images shortly after processing.

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Tattoo AI

Tattoo AI is an AI-powered tattoo design tool that turns text prompts or reference images into clear tattoo concepts. Users can explore tattoo styles, compare design variations, preview ideas, and create references for tattoo planning before visiting a studio.

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New Relic

All-in-one observability. Data for engineers to monitor, debug, and improve their entire stack. Sign up for free, no credit card required with New Relic the all-in-one observability platform for engineers to monitor, debug, and improve their entire stack.

FreemiumWindowsmacOSLinuxAndroidiOS

Explore more categories:

Acorn 7

Acorn 7 is a Mac image editor for editing photos and creating graphics.

Ad Blocker

Ad Blocker is a browser tool that removes intrusive ads and pop-ups from web pages.

Adobe Premiere Pro

Adobe Premiere Pro is a professional video editing software for film, TV, and web.

AdGuard

AdGuard is a cross-platform ad blocker that filters web content and protects privacy.

AI Agent Builder

AI Agent Builder is a platform for creating, deploying, and managing AI agents.

AI Agent Development

AI Agent Development is a platform for building, testing, and deploying autonomous AI agents.