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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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Mate Technologies

Jan 14

Build a High-Performance Fibonacci Generator with Python and Tkinter

#tutorial #opensource #fibotool #python

3 min read

Cover image for Building an Open Source Chrome Extension for Shopify: Padloom Visualizer

Padloom

Jan 14

Building an Open Source Chrome Extension for Shopify: Padloom Visualizer

#showdev #javascript #shopify #opensource

1 min read

咕咚

Jan 14

I Built a Claude Code Skill for One-Command Image Uploads

#claude #tools #productivity #opensource

3 min read

Cover image for Google Maps API Alternative for Geocoding in 2026 with calcs

Vit

Jan 13

Google Maps API Alternative for Geocoding in 2026 with calcs

#showdev #api #opensource #architecture

4 min read

Cover image for Linux Is Not User-Friendly — And That’s Exactly Why I Use It

Jan 13

Linux Is Not User-Friendly — And That’s Exactly Why I Use It

#linux #opensource #productivity #career

3 min read

Jaeil Woo

Jan 11

Building a "Remembering" AI Trading Agent with Python, LangGraph, and Obsidian

#opensource #python #machinelearning #ai

2 min read

Cover image for AI Killed One Open Source Business Model; Not Open Source

Adam Poulemanos

Jan 13

AI Killed One Open Source Business Model; Not Open Source

#discuss #programming #ai #opensource

5 min read

Cover image for Carific.ai: Building an AI Resume Tailor with Multi-Step Agents - Vercel AI SDK 6 and ToolLoopAgent

Jan 13

Carific.ai: Building an AI Resume Tailor with Multi-Step Agents - Vercel AI SDK 6 and ToolLoopAgent

#ai #nextjs #typescript #opensource

11 min read

Jan 13

RAGGuard: Filter During Vector Search, Not After Retrieval

#python #ai #security #opensource

1 min read

Cover image for Just released podpdf

irfan26

Jan 14

Just released podpdf

#opensource #webdev #programming #javascript

1 min read

Cover image for The WordPress Blocks I Built in 2016 Still Work in 2026 (Just Different Syntax)

Jan 13

The WordPress Blocks I Built in 2016 Still Work in 2026 (Just Different Syntax)

#opensource #webdev #react

2 min read

Øystein Amundsen

Jan 24

I built a data grid with web components – here's what I learned

#webcomponents #javascript #typescript #opensource

3 min read

Cover image for Carific.ai: Building an AI Resume Tailor with Multi-Step Agents - Vercel AI SDK 6 and ToolLoopAgent

Jan 13

Carific.ai: Building an AI Resume Tailor with Multi-Step Agents - Vercel AI SDK 6 and ToolLoopAgent

#ai #nextjs #typescript #opensource

11 min read

Cover image for PromptLedger v0.2 — Labels, Status, and Better Diffs

Ertugrul

Jan 13

PromptLedger v0.2 — Labels, Status, and Better Diffs

#showdev #promptengineering #python #opensource

3 min read

Arsenii

Jan 13

Stop trusting torch.load(): A complete guide to AI Supply Chain Security (Malware, Licenses, and Signing)

#ai #opensource #cybersecurity #devops

3 min read

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