Find free or open source alternatives to the following paid software

GitHub

Contribute to the open source community, manage your Git repositories, review code like a pro, track bugs and features, power your CI/CD and DevOps workflows, and secure code before you commit it.

Acorn 7

Acorn is an awesome image editor for the Mac. Use Acorn to edit photos, add filters, retouch pictures, paint, crop, add text, create new images, and much more!

Fork

Fork - a fast and friendly git client for Mac and Windows.

Tower

Over 100,000 developers and designers are more productive with Tower - the most powerful Git client for Mac and Windows.

GitKraken

The world's most powerful suite of Git tools For developers & their teams.

Kaleidoscope

Git Diff and Merge Tool and Text Comparison, Spot the differences, merge in seconds.

Beyond Compare

Beyond Compare is a software for file diff, folder diff and differences comparison.

Fiddler

Amplify your debugging efforts with a Web Debugging Proxy for any device or platform. Fiddler Everywhere is a pathway for all, supporting macOS, Linux and Windows.

Charles

HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet.

Statcounter

A free yet reliable invisible web tracker, highly configurable hit counter and real-time detailed web stats.

Transmit

Upload, download, and manage files on tons of servers with an easy, familiar, and powerful UI. It’s quite good.

CCleaner

CCleaner for PC helps you clean up your Windows computer, optimize performance, and maintain your online privacy.

Alfred

Alfred is a productivity application for macOS, which boosts your efficiency with hotkeys, keywords and text expansion. Search your Mac and the web, and control your Mac using custom actions with the Powerpack.

cPanel

Simplify website & server management Easily configure, monitor, and protect servers and sites in minutes.

DirectAdmin

A Better Way To Manage Your Server.

Notion

A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team.

Evernote

Remember everything and tackle any project with your notes, tasks, and schedule all in one place.

Postman

Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.

Navicat

DB Admin Tool for MySQL, Redis, PostgreSQL, MongoDB, MariaDB, SQL Server, Oracle & SQLite client

Bartender

Take control of your Menu bar