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Developer tools

highlight.io

highlight.io is the open source, full-stack monitoring platform. With just a few lines of code, Highlight makes it easy to understand what's slowing down your users and swiftly address errors and regressions on your web app. Imagine that you have a customer reporting an issue on your web app. With highlight.io, you can playback their exact interactions to reproduce the bug and get notified of any future errors that could happen. That being said, we’re just getting started! We have plans to go wa

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #5365

highlight.io is the open source, full-stack monitoring platform. With just a few lines of code, Highlight makes it easy to understand what's slowing down your users and swiftly address errors and regressions on your web app. Imagine that you have a customer reporting an issue on your web app. With highlight.io, you can playback their exact interactions to reproduce the bug and get notified of any future errors that could happen. That being said, we’re just getting started! We have plans to go wa

source
generated read
High Signal interpretation

highlight.io is classified as Developer tools from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
customerweb appfull-stack monitoring platformhighlight.iousersopen source
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to highlight.io

Developer tools · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

Expected Parrot

match 86

Expected Parrot helps companies simulate their customers with AI agents to explore pricing, product, marketing, communications and other scenarios at scale. Our open-source library and no-code web app let you design custom agent personas and conduct interviews and surveys with them using LLMs of your choice to generate results and reports. Everything is cached and reproducible, and you can send the same surveys to human respondents to validate results in the same interface.

shared extracted concept terms: customer, web, app; shared product terms: customer, code, web, app; shared product theme: developer infrastructure, sales and marketing, open source and local first; shared affiliation: Y Combinator

Unifold

match 75

Launch crypto deposits in minutes. Unifold is a developer-first API + SDK that makes it easy for any app to accept on-chain deposits – across any chain and token – with less than 10 lines of code. We handle the full deposit flow so teams can ship faster and give users a smooth experience that actually works. If you’re building a consumer-facing on-chain product and want best-in-class deposits (or want to support more chains fast), we’d love to work with you.

shared extracted concept terms: app; shared product terms: full, line, code, easy; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Dataglade

match 72

Dataglade is the smart way to research stocks. Our AI generates clear analyses and financial models for any public company, and our fundamental data fulfills almost every research need. We save investors hours every day by eliminating the need to manually dig through financial filings. Customers trust our reports because every number is backed by citations to our proprietary financial data warehouse. We inform $1+ billion of trades every day, and we’re just getting started. Check us out at datag

shared extracted concept terms: customer; shared product terms: any, customer, report, re; shared product theme: sales and marketing; shared affiliation: Y Combinator

StackMachine

match 71

Stack Machine is a developer tools company based in San Francisco, CA since May 2013. We enable a full-stack understanding of an organizations's codebases and developer environments. Our founders have years of experience running large-scale web services.

shared extracted concept terms: web, full, stack; shared product terms: full, stack, understand, web; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Pyroscope

match 54

Pyroscope is an open source continuous profiling platform. With just a few lines of code it will help you debug performance issues and find bottlenecks in your code.

shared product terms: just, few, line, code; shared product theme: developer infrastructure, open source and local first; same category: Developer tools; shared affiliation: Y Combinator

Troposphere

match 34

Clair helps you breathe easy with air monitoring. Our devices tell you what's in the air, identify the source of impurities, and provide air-clearing advice.

shared extracted concept terms: monitor; shared product terms: easy, monitor, what