Awesome OSS Developer Security Tools

What it does

The includes maps security tools with security principles and controls relevant to popular compliance certifications (like ISO27001, SOC2, MVSP, etc.). The main intention is to get your startup started with developer security and allow you to build on it.

• 
  Open-source Developer Security tools2022 · github.com · ▲15

  An awesome list of OSS developer-first security tools - boxyhq/awesome-oss-devsec

• 
  1Password Developer Tools2022 · 1password.com · ▲105

  Develop faster, eliminate complexity, protect your secrets

• 
  AppSec3602021 · appsec360.com · ▲53

  Check your application's mapped security controls

• 
  Free DevTools2025 · hexmos.com · ▲52

  1,25,000+ Free Developer Tools, Cheatsheets, Icons, MCP, etc

• 
  The Secure Developer - Ep. #1 Prioritizing Secure Development2016 · heavybit.com · ▲66

  Security for developers, covering tools and best practices.

• 
  DevKitHub2025 · devkithub.com · ▲8

  Developer utilities, offline and secure. Mac/Linux/Windows.

• 
  /dev/null▲486

  a social network for devs

  Dev tools · 3d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 28d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 26d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 23d ago · openbot.run

• 
  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 21d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• IM
  I may have created a new type of puzzle▲1,859

  Life & fun · 2022 · dogbunnypuzzle.com

• 
  I'm building an open-source Amazon▲1,335

  A couple of years ago, I had an interesting idea. What if there was a marketplace where all the underlying tech was open-source? The order management system, the storefront, customer support, etc. The marketplace would simply connect to the seller’s infra instead of locking them in. If, for some reason, the seller is removed from the marketplace, their software stays with them and they can continue accepting orders directly. This model can be used to disrupt any marketplace from AirBNB to UberEats: building tech for home renters and restaurants and later, leveraging that to build a competing…

  Dev tools · 2022 · openship.org

• 
  Polywork▲1,214

  Discover opportunities to collaborate

  Life & fun · 2022

• 
  xTiles▲1,036

  Organize your ideas & projects visually

  Work · 2022 · xtiles.app

• 
  Arcade 2.0▲1,026

  The easiest way to showcase your product

  Life & fun · 2022 · arcade.software

• 
  Maven▲978

  100+ live courses taught by experts, education reimagined

  Life & fun · 2022 · maven.com