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Open Source

May The Source Be With You! Articles about Open Source and Free Software as a philosophy, and its application to software development and project management.

submission guidelines

UPDATED APRIL 8, 2020

To keep this tag clean and meaningful, please ensure your post fits into at least one of the following categories:

Organizing, managing, running, or working in an Open Source project.
Open Source philosophy, licensing, and/or practical and legal topics thereof.
Advocacy and adoption of Open Source philosophy.

DO NOT use this tag if you are simply using technologies which happen to be open source.

You should NOT use this tag for any of the following:

Promoting open source projects, such as feature lists or announcements. (Use #news or Listings.)
Contributor requests. (Use #contributorswanted or Listings.)
Tutorials/articles that happen to use an open source tool. (Use appropriate technology tags.)
Showing off something you've built that happens to be open source. (Use the #showdev tag.)
Sharing lists of open source projects. (Use #githunt or the appropriate technology tags.)

Projects must comply with the Open Source Definition (see below) to legally use the term "open source".

As all "Free Software" officially complies with the standards of Open Source anyway, this tag covers both (collectively, FOSS).

about #opensource

Open Source is so much more than "you can read the code". It is formally defined by the Open Source Initiative.

"Open Source" should not be confused with the similar Free Software, which is defined by the Free Software Foundation. Generally, all Free Software is also Open Source, and the two camps often cooperate; however, the concepts are distinct! (The tags are merged here on DEV.to for simplicity, however.)

Open Source Hardware is defined and overseen by the Open Source Hardware Assocation

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Cover image for 🧩 Building a Powerful Multi-Threaded PDF Downloader with Tkinter and Python

Oct 26 '25

🧩 Building a Powerful Multi-Threaded PDF Downloader with Tkinter and Python

#python #opensource #productivity #programming

3 min read

Dharam Ghevariya

Oct 26 '25

Implementing Token Count Optimization in repo-contextr

#openai #tooling #opensource #llm

3 min read

zevnda

Oct 26 '25

Steam Game Idler — an Open-Source Alternative to ArchiSteamFarm, Steam Achievement Manager, and Idle Master.

#opensource #gamedev #typescript #rust

4 min read

Cover image for Terceiro fim de semana de Preptember 2025: Cores e IA no GitFichas

Jessica Temporal

Sep 23 '25

Terceiro fim de semana de Preptember 2025: Cores e IA no GitFichas

#hacktoberfest #ai #git #opensource

5 min read

Cover image for “SysNova Toolkit: Ethical Diagnostics for Windows & macOS — Built by a Self-Taught Technician”

Oct 26 '25

“SysNova Toolkit: Ethical Diagnostics for Windows & macOS — Built by a Self-Taught Technician”

#opensource #softwareengineering #software #developers

1 min read

Sep 24 '25

The Coming Era of Composable Intelligence: Designing Abstractions Across LLMs

#webdev #programming #ai #opensource

6 min read

Cover image for 🎃 My Hacktoberfest 2025 Journey: Discovering the Power of Documentation

Hacktoberfest: Open Source Reflections

MakendranG

Oct 26 '25

🎃 My Hacktoberfest 2025 Journey: Discovering the Power of Documentation

#devchallenge #hacktoberfest #opensource

3 min read

Oct 27 '25

Created a weather app in python #python #beginners #showdev #opensource

#showdev #python #beginners #opensource

1 min read

Sep 23 '25

`sst.config.ts` file in tldraw codebase.

#tldraw #opensource #aws #sst

3 min read

Sep 23 '25

`lazyrepo` usage in tldraw codebase.

#lazyrepo #monorepo #opensource #tldraw

3 min read

Cover image for 90 Days of Code: Day 15 – Building a Beginner-Friendly Coin Toss Game with Python

momina raheel (Moona)

Sep 23 '25

90 Days of Code: Day 15 – Building a Beginner-Friendly Coin Toss Game with Python

#programming #beginners #python #opensource

1 min read

김동현

Sep 23 '25

ScreenNameViewer – A lightweight Android tool to visualize current screen names (Activities, Fragments & Compose routes)

#android #opensource #androiddev #mobile

1 min read

Cover image for Configuring goose for Team Environments and Shared Workflows

Lymah

Oct 26 '25

Configuring goose for Team Environments and Shared Workflows

#goose #ai #llm #opensource

20 min read

Cover image for Maintenance Releases 0.53.0 of the GitHub Action for Checking Spelling

Oct 26 '25

Maintenance Releases 0.53.0 of the GitHub Action for Checking Spelling

#opensource #githubaction #release

2 min read

Cover image for FarmSmart Maintainer Spotlight: Your AI-Powered Farming Companion

Hacktoberfest: Maintainer Spotlight

Braimer

Oct 27 '25

FarmSmart Maintainer Spotlight: Your AI-Powered Farming Companion

#devchallenge #hacktoberfest #opensource

8 min read

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