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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 I built an API that converts any webpage to clean Markdown in under 1 second

filtede98

Apr 5

I built an API that converts any webpage to clean Markdown in under 1 second

#webdev #api #markdown #opensource

2 min read

Shouvik Mukherjee

Apr 5

I built an MCP server so Claude Code stops hallucinating SVG icons

#mcp #css #opensource #ai

1 min read

Cover image for Can AI Agents Communicate Across Different Networks Without APIs?

Philip Stayetski

Apr 28

Can AI Agents Communicate Across Different Networks Without APIs?

#ai #opensource #agents #tutorial

2 min read

yzg3

Apr 5

I built a free material cost estimator for engineers and makers

#webdev #opensource #productivity #tools

1 min read

James Dai

Apr 5

How I fixed LLM structured output failures in a PowerPoint translator (0 errors on 1,214 translations)

#python #llm #claudeai #opensource

3 min read

Cover image for How I Built an AI-Powered Claw Machine Controlled via WebRTC and Lark/Feishu 🤖🪝

OpenClaw_Creator

Apr 5

How I Built an AI-Powered Claw Machine Controlled via WebRTC and Lark/Feishu 🤖🪝

#showdev #javascript #opensource #ai

2 min read

Cover image for Declarative Architecture Realization with Agents

Apr 5

Declarative Architecture Realization with Agents

#ai #webdev #agents #opensource

1 min read

Alessandra Genetrix

Apr 5

Open Source Release Help

#help #opensource #webdev #beginners

1 min read

Cover image for Quicktext - Share Anything Between Devices and Receive It with a Code or QR Scan

Apr 28

Quicktext - Share Anything Between Devices and Receive It with a Code or QR Scan

#webdev #opensource #typescript #saas

3 min read

Apr 5

I built a jewelry size database for women with tiny fingers in one day

#sideprojects #webdev #javascript #opensource

2 min read

Apr 5

How I Built an 80,000-Line Open Source Wine Cellar App in 6 Weeks with Claude

#opensource #webdev #ai #javascript

4 min read

Cover image for I open-sourced the Notion Email rendering engine from my SaaS

강상권

Apr 5

I open-sourced the Notion Email rendering engine from my SaaS

#showdev #notion #typescript #opensource

2 min read

Cover image for YouTube is a black box. I built something to crack it open.

Apr 5

YouTube is a black box. I built something to crack it open.

#showdev #webdev #productivity #opensource

2 min read

manja316

Apr 5

I Built a Free DNS Lookup Tool — Check Any Domain's Records Instantly

#webdev #dns #devtools #opensource

1 min read

Cover image for How I Built a Multi-Agent Geopolitical Simulator with FastAPI + LiteLLM

Apr 5

How I Built a Multi-Agent Geopolitical Simulator with FastAPI + LiteLLM

#ai #webdev #opensource #python

2 min read

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