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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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Abhinav

Nov 24 '25

Shipping 1.0.0: From Local Repo to a Published Python Package

#python #cli #opensource

3 min read

HasMCP

Dec 30 '25

Opensource No-Code MCP Builder from API Endpoints with Built-in Log Tracer

#opensource #api #mcp #llm

1 min read

Nov 26 '25

Ephemeral Vulnerability Scanner: Pure Client-Side JS for Windows/Linux/macOS Vuln Analysis

#security #opensource #devsecops #vulnerabilityscanning

1 min read

Ago

Nov 26 '25

2FA2FA – Free Online Two-Factor Authentication Code Generator (No App Required)

#opensource #passwords #authentication

7 min read

Sherin Joseph Roy

Nov 26 '25

7 Open Source Tools I Discovered in 2025 That Feel Illegal to Know 🤫

#opensource #webdev #javascript #productivity

3 min read

Nov 26 '25

Components structure in Umami codebase - Part 1.2

#umami #opensource #components #structure

3 min read

Nov 24 '25

Update: More CIR PR's and Release 0.3

#cpp #devjournal #opensource

2 min read

Dan

Dec 28 '25

Compounding Engineering: Turn Your Repo into a Self-Improving DSPy Agent

#programming #ai #python #opensource

2 min read

Unicorn Developer

Dec 30 '25

Bugs in the Wild West: Top 10 C and C++ errors of 2025

#cpp #c #opensource #erlang

19 min read

Sivaprasad Murali

Nov 24 '25

Vargula: Terminal Styling with Color Theory & Accessibility Built In

#python #terminal #tutorial #opensource

6 min read

Julian Li

Nov 25 '25

New repository engagements page on trendshift.io

#github #opensource #developer #webdev

2 min read

Anil Kumar Moka for Docker

Dec 29 '25

Docker Just Made Hardened Images Free for Everyone – Let's Check Them Out!

#docker #security #devops #opensource

3 min read

Nov 24 '25

Stop Paying for SaaS: The Ultimate Open Source "Free Stack" 💸

#showdev #opensource #productivity #webdev

2 min read

Adetayo Adeniyi

Nov 28 '25

Stop fighting your build tools. Meet AtomAttr.

#webdev #javascript #css #opensource

2 min read

kako-jun

Dec 16 '25

My OSS Stalled for 3 Months Because of Misguided Vibe Coding—This Is the Full Reboot Story

#rust #opensource #ai #vibecoding

12 min read

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