Dev tools · September 17, 2021
Test Monitoring for LocalStack
DistributedTracing&TimeTravelDebugging for LocalStack users
Test Monitoring for LocalStack launched on September 17, 2021 with 15 votes, #1,172 of 2,941 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 5 years on.
What it does
Test and debug your applications locally, with the combined power of LocalStack and Thundra Foresight using -- Chaos Engineering, Time Travel Debugging, and Distributed Tracing.
Developing Serverless Applications Locally with LocalStack and Debugging Tests with Thundra Foresight.
Does a similar job
all alternatives →
Time travel debugger for web development2021 · replay.io · ▲681Automated Penetration Testing for AI-Built Apps


Time travel debugging AI for more reliable vibe coding2025 · nut.new · ▲129Hi HN, I'm the CEO at https://replay.io. We've been building a time travel debugger for web apps for several years now (previous HN post: https://news.ycombinator.com/item?id=28539247) and are combining our tech with AI to automate the debugging process. AIs are really good at writing code but really bad at debugging -- it's amazing to use Claude to prompt an app into existence, and pretty frustrating when that app doesn't work right and Claude is all thumbs fixing the problem. The basic reason for this is a lack of context. People can use devtools to understand…

More dev tools this month
the category →

open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 27d ago · github.com

Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 26d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 23d ago · openbot.run
Talanoa▲346Hi 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 · 20d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 28d ago · corespeed.io
Source: Product Hunt launch ↗
Launched alongside, September 2021
the whole month →
Thinking, Fast and Slow - with 523 comments from the Hacker News community
Life & fun · 2021 · hacker-recommended-books.vercel.app

- WB
Life & fun · 2021 · bonsaibrowser.com

LetterHunt▲77310,000+ active, curated newsletters to promote your product
Growth · 2021 · letterhunt.co
Noto▲737Create a Notion-style avatar with 120+ mix-and-match items
Work · 2021 · abstractlab.gumroad.com