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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 Open Source Contribution

Winnie

Oct 3

Open Source Contribution

#opensource #hacktoberfest #onlydust #web3

3 min read

Cover image for It took me a month to solve — Why chatgpt doesn't have a search, and i open sourced it!

siv-io

Sep 30

It took me a month to solve — Why chatgpt doesn't have a search, and i open sourced it!

#opensource #chatgpt #productivity #tooling

2 min read

Cover image for The 🐍 SDK for the Uniswap Universal Router 🦄 is part of Hacktoberfest 2025

Elnaril

Sep 30

The 🐍 SDK for the Uniswap Universal Router 🦄 is part of Hacktoberfest 2025

#programming #python #blockchain #opensource

1 min read

Cover image for Generate Human-Friendly Random Codes in PHP with Crockford’s Base32

Sep 30

Generate Human-Friendly Random Codes in PHP with Crockford’s Base32

#php #opensource #devtools #webdev

1 min read

Sep 30

The Rise of Open-Source Data Catalogs: New Opportunities For Implementing Data Mesh

#datascience #data #opensource #architecture

5 min read

Jessica Temporal

Oct 2

Projetos Brasileiros para contribuir nesse #Hacktoberfest 2025

#pullrequest #opensource #hacktoberfest

3 min read

Cover image for Day 20 of My 90 Days of Code Series – Basic Bank Account System in Python

momina raheel (Moona)

Sep 30

Day 20 of My 90 Days of Code Series – Basic Bank Account System in Python

#programming #beginners #python #opensource

1 min read

Cover image for Who's hiring — October 2025

fmerian

Oct 2

Who's hiring — October 2025

#career #devrel #opensource #hacktoberfest

2 min read

Sep 30

`fn` utility in Opencode console package.

#ai #cli #opensource

2 min read

Cover image for Pyscn: The Code Quality Analyzer for Vibe Coders

Oct 12

Pyscn: The Code Quality Analyzer for Vibe Coders

#python #cli #productivity #opensource

3 min read

Sep 29

How to Run Mistral Locally Using Ollama

#opensource #llm #genai #localmodel

2 min read

Cover image for My personal toolkit for open-source knowledge graphs

Sep 30

My personal toolkit for open-source knowledge graphs

#ai #opensource #devops

2 min read

Cover image for I was tired of regression testing, so I weekend-vibe-coded something

wyctor

Oct 12

I was tired of regression testing, so I weekend-vibe-coded something

#ai #opensource #cli #claude

1 min read

Cover image for Get Started with Fastest SQL Query Engine - Presto C++ (Prestissimo): Beginner Friendly Setup Guide with Docker.

Saurabh Mahawar

Sep 29

Get Started with Fastest SQL Query Engine - Presto C++ (Prestissimo): Beginner Friendly Setup Guide with Docker.

#opensource #queryengine #presto #dataengineering

5 min read

Sep 30

🍏 macOS Portfolio – A Fun, Desktop-Inspired Portfolio Template

#ui #portfolio #opensource #webdev

1 min read

Rolan Lobo

Oct 11

I Just Made My YouTube Downloader 2x Faster 🚀

#opensource #backend #coding #beginners

1 min read

Cover image for How We Built Complete Formal Verification for Chronos Vault

Oct 11

How We Built Complete Formal Verification for Chronos Vault

#blockchain #web3 #security #opensource

4 min read

Cover image for Day 29 of python code series..

momina raheel (Moona)

Oct 12

Day 29 of python code series..

#beginners #python #opensource #programming

1 min read

Hacktoberfest: Contribution Chronicles

OleksandraKordonets

Oct 3

Hacktoberfest Contribution: README Creation

#github #beginners #opensource #hacktoberfest

2 min read

Cover image for Quarto e último fim de semana de Preptember 2025: Planos mudam e tudo bem

Jessica Temporal

Sep 30

Quarto e último fim de semana de Preptember 2025: Planos mudam e tudo bem

#hacktoberfest #ai #git #opensource

7 min read

Cover image for My Sync UI Journey: From Navratri 2024 to Navratri 2025 🎉

Abhi Varde

Oct 1

My Sync UI Journey: From Navratri 2024 to Navratri 2025 🎉

#productivity #opensource #uikit #devtool

3 min read

Cover image for Preptember 2025 week 4: Final week is here, plans change and that's fine

Jessica Temporal

Sep 30

Preptember 2025 week 4: Final week is here, plans change and that's fine

#hacktoberfest #ai #git #opensource

7 min read

Sep 29

`analytics` workspace in tldraw codebase.

#tldraw #opensource

2 min read

Cover image for day 19 of 90 day code series..

momina raheel (Moona)

Sep 29

day 19 of 90 day code series..

#programming #beginners #python #opensource

1 min read

Sep 29

Why AI Infrastructure Matters More Than AI Models

#programming #ai #opensource #softwareengineering

7 min read

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