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Show HN: We vibe coded our team's issue tracker, knowledge base, telemetry board

7•bhackett•1d ago
Hi HN, I'm the CEO at https://replay.io. We've been working on time travel debugging for web development for a while (https://news.ycombinator.com/item?id=28539247) and more recently an AI app builder that uses that debugger to get past problems instead of spinning in circles (https://news.ycombinator.com/item?id=43258585).

We've gotten to where we can pretty easily build apps to replace business-critical SaaS tools, some of which we're now using internally:

* We built our own issue tracker to keep track of all our development projects, tickets, bug fixes, and so on, completely replacing Linear.

* We built a knowledge base for managing internal documentation and the status of ongoing initiatives, completely replacing Notion.

* We built a telemetry system that ingests OTLP events via a webhook and supports custom graphs and visualizations, mostly replacing Honeycomb.

We want to have as much control as we can of the apps we need to run Replay. We can tailor these apps to our needs, completely own them and their data, and avoid hostile SaaS vendor behavior like per seat pricing, paywalled features, locking us into their platform, and locking us out from accessing our own data.

Today we're launching Builder (https://builder.replay.io/), the tool we used to make these apps, along with the apps themselves and others we've built. You can copy these apps for free, download the source and self host them if you want, or let us take care of hosting, fixing bugs, and modifying them for your needs.

If you want to just check these out, here are a couple (shared, no login required) copies of these apps:

* Issue tracker: https://16857470-551d-4f50-8e5b-b7d24a4a874a.http.replay.io

* Knowledge base: https://d7e0dff4-f45c-4677-9560-6ea739c00a94.http.replay.io

We're excited for the power of AI app builders to accelerate the pace of software development, unlock the creativity of non-developers everywhere, and especially to help erode the control that so many large companies have over us. We're continuously building new apps ourselves to help in this endeavor, so let us know what you think! What are the apps and vendors that frustrate you the most?

Threshold

https://studium.dev/notes/threshold
1•jerlendds•3m ago•0 comments

Microfeatures I'd like to see in more languages

https://buttondown.com/hillelwayne/archive/microfeatures-id-like-to-see-in-more-languages/
1•goranmoomin•5m ago•0 comments

US Navy pledges $448M to test if Palantir is seaworthy

https://www.theregister.com/2025/12/10/palantir_navy_448_million_contract/
1•rjzzleep•5m ago•1 comments

Ask HN: What hard problems are still underexplored?

2•brihati•6m ago•0 comments

Storm-search: VS Code extension with global search that is useful

https://github.com/zigcBenx/storm-search
1•thunderbong•6m ago•0 comments

AI Product Retention Crisis: Why Users Aren't Staying

https://medium.com/@gp2030/ai-product-retention-crisis-why-users-arent-staying-1ecb781ac5c2
1•light_triad•8m ago•0 comments

There's a Database of Startup Ideas Here

5•suhaspatil101•10m ago•0 comments

JSON to Video

https://jsontovideo.org/
1•vvalvyvv•17m ago•0 comments

Xplora – A Smartwatch Designed for Kids

https://xplora.dk/
1•MrJagil•17m ago•0 comments

Stop losing bookmarks to the void. Bookmarks disappear. Capture/Recall Instantly

https://github.com/smogmanus1/ContentCapture-Pro
2•smogmanus•20m ago•1 comments

Mushroom Playing a Keyboard in the Forest

https://www.youtube.com/watch?v=NbP2DgDp890
1•gsf_emergency_6•20m ago•0 comments

Earliest evidence of making fire 400k years ago

https://www.nature.com/articles/s41586-025-09855-6
3•griffzhowl•22m ago•1 comments

Can we generate a credible SAR image from an optical image?

https://elisecolin.medium.com/can-we-generate-a-credible-sar-image-from-an-optical-image-7d41a5ce...
1•marklit•28m ago•0 comments

U.S. Blueprint to Rewire Economies of Russia, Ukraine Sets Off Clash with Europe

https://www.wsj.com/world/europe/u-s-blueprint-to-rewire-economies-of-russia-ukraine-sets-off-cla...
1•petethomas•31m ago•0 comments

Critique: TUI for Reviewing Git Changes

https://github.com/remorses/critique
1•handfuloflight•39m ago•0 comments

Pando (Tree)

https://en.wikipedia.org/wiki/Pando_(tree)
1•handfuloflight•41m ago•0 comments

A few thoughts on the idea that domains should be everyone's "internet handles"

https://xn--gckvb8fzb.com/domains-as-internet-handles/
2•ayaros•41m ago•3 comments

Show HN: I built a tiny Datadog alternative for small SaaS apps

https://getlogmint.com
1•this-is-shreya•43m ago•0 comments

Use the Mikado Method to do safe changes in a complex codebase

https://understandlegacycode.com/blog/a-process-to-do-safe-changes-in-a-complex-codebase/
3•gavinhoward•45m ago•0 comments

Wine Cooler

https://tedium.co/2025/12/10/404-media-zine-linux-affinity/
2•pentagrama•48m ago•0 comments

Transformers Must Hallucinate

https://medium.com/@nikitph/why-transformers-must-hallucinate-7c2a8fc3b3be
2•loaderchips•48m ago•0 comments

PicoRuby is the smallest Ruby implementation for one-chip microcontrollers

https://picoruby.org
2•Kerrick•48m ago•0 comments

One Database to Rule Them All

https://docs.eventsourcingdb.io/blog/2025/12/11/one-database-to-rule-them-all/
1•goloroden•53m ago•0 comments

Ask HN: Claude Code users, are you experiencing reduced usage limits today?

1•nnnck•59m ago•0 comments

I Like My F# Code Type Annotation-Free

https://www.planetgeek.ch/2025/12/10/i-like-my-f-code-type-annotation-free/
1•Kerrick•59m ago•0 comments

Anytime Algorithm

https://en.wikipedia.org/wiki/Anytime_algorithm
1•raw_anon_1111•1h ago•0 comments

TypeSlayer – a TypeScript types performance tool [video]

https://www.youtube.com/watch?v=IP6EZXzXBzY
2•wildpeaks•1h ago•0 comments

I build a live crypto-sentiment analyzer

https://risingwave.com/blog/risingwave-python-udf-tutorial/
1•WavyPeng•1h ago•0 comments

Pebble Index

https://repebble.com/index
1•mcyc•1h ago•0 comments

Neuroscientist Doris Tsao joins Astera to lead its new neuroscience program

https://astera.org/neuroscientist-doris-tsao-joins-astera-to-lead-its-new-neuroscience-program/
1•memming•1h ago•0 comments