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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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Aug 31 '25

I built a tool that turns GitHub PRs into blog posts — looking for feedback

#sideprojects #github #ai #opensource

2 min read

Leanid Herasimau

Oct 3 '25

OpenSSL 3.6.0 Released

#news #opensource #security #tooling

4 min read

Cover image for Solving response Token 25k limit Wall: Introducing mcp-cache

Sep 30 '25

Solving response Token 25k limit Wall: Introducing mcp-cache

#ai #opensource #typescript #automation

2 min read

Cover image for From Vision to Visualization: Building Pluggable Architecture for PHP

Sep 30 '25

From Vision to Visualization: Building Pluggable Architecture for PHP

#php #architecture #opensource #webdev

5 min read

Mr Vi

Oct 2 '25

Secure SSH Monitoring with Real-time Telegram Alerts

#devops #security #opensource #automation

4 min read

A L T A F

Aug 29 '25

Introducing QRGuard - Open Source QR code Security App

#cybersecurity #vibecoding #opensource #reactnative

2 min read

Cover image for Week 2 -Git & GitHub

Aug 29 '25

Week 2 -Git & GitHub

#opensource

3 min read

Cover image for Build a Stock Portfolio AI Agent (Fullstack, Pydantic AI + AG-UI)

Bonnie for CopilotKit

Oct 2 '25

Build a Stock Portfolio AI Agent (Fullstack, Pydantic AI + AG-UI)

#webdev #programming #opensource #ai

17 min read

Cover image for Gonzo - The Go based TUI for log analysis

Jon Reeve

Aug 29 '25

Gonzo - The Go based TUI for log analysis

#devops #ai #sre #opensource

1 min read

Cover image for Designing a “Never-0.00” Price Pipeline in the Real World

22s Pocket Portfolio for Pocket Portfolio

Oct 1 '25

Designing a “Never-0.00” Price Pipeline in the Real World

#webperf #fintech #opensource #typescript

6 min read

Cover image for I open-sourced sttrace.com's problemset

Sep 2 '25

I open-sourced sttrace.com's problemset

#opensource #programming #devops #softwaredevelopment

2 min read

Cover image for 🔑 One Lock to Rule Them All: Mixed Sync MultiLock

Oct 1 '25

🔑 One Lock to Rule Them All: Mixed Sync MultiLock

#cpp #programming #multithreading #opensource

3 min read

Oct 1 '25

From Pocket to Wallabag: A Self-Hosted Migration Story

#opensource #selfhosting #productivity #docker

3 min read

Oct 1 '25

Host Your Own TimeTracker on a Raspberry Pi in 10 Minutes

#webdev #programming #opensource #python

2 min read

Cover image for The Hijacked Promise of Smart Manufacturing

Sep 21 '25

The Hijacked Promise of Smart Manufacturing

#discuss #opensource #learning #news

6 min read

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