Products built for developers

Tools and platforms that fit into the way you already work. Start free, upgrade when your team needs more.

11 products

NewDocumentation

JarDocs

Docs that stay in sync with your code.

Generate API and library reference straight from source, publish versioned docs and ship changelogs automatically.

  • Reference generated from source
  • Versioned docs and changelogs
  • Built-in instant search
  • Node.js
  • MDX
  • Git
Free for open sourceTeam $29/mo
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PopularAPIs

JarAPI

Mock, test and monitor any API.

Spin up realistic mock APIs from an OpenAPI spec in seconds, then monitor the real thing using the same collection.

  • Instant mocks from OpenAPI
  • Contract tests in CI
  • Latency and uptime monitors
  • Go
  • OpenAPI
  • Redis
  • TypeScript
FreePro from $19/user/mo
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Developer Tools

SnippetJar

Your team’s snippet library, wherever you type.

Save, search and share code snippets across your editor, terminal and browser, with offline-first sync.

  • VS Code and JetBrains plugins
  • Fuzzy search with tags
  • Shared team collections
  • TypeScript
  • Rust
  • SQLite
FreeTeam $6/user/mo
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BetaSecurity

Envault

Secrets and .env files, handled safely.

Store, share and rotate environment secrets with per-environment access rules and a full audit trail.

  • Encrypted at rest and in transit
  • Per-environment access rules
  • Complete audit log
  • Go
  • AES-256
  • OIDC
FreeTeam $8/user/mo
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APIs

HookRelay

Receive, inspect and replay webhooks locally.

Get a public URL for localhost, inspect every payload and replay events until your handler works.

  • Public URL for localhost
  • Inspect and replay payloads
  • Signature verification
  • Go
  • WebSockets
FreePro $12/mo
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SaaS

JarDeploy

Push to Git. Get a live URL.

Deploy web apps and services with preview environments on every pull request and one-click rollbacks.

  • Preview URL for every pull request
  • One-click rollbacks
  • Global edge network
  • Kubernetes
  • Go
  • Terraform
From $0Usage-based after free tier
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SaaS

LogLens

See what your logs are trying to tell you.

Search, tail and alert on structured logs from every service, with setup that takes about 30 seconds.

  • Live tail with structured search
  • Anomaly alerts
  • OpenTelemetry native
  • Rust
  • ClickHouse
  • OpenTelemetry
Free1 GB/day · Pro $39/mo
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Developer Tools

PatternLab

Build and explain regular expressions.

Write regex with live match highlighting, plain-English explanations and shareable test suites.

  • Live match highlighting
  • Plain-English explanations
  • Saved test suites
  • TypeScript
  • WebAssembly
FreePro $4/mo for saved suites
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Developer Tools

JSON Forge

Format, diff, convert and validate data.

A fast toolkit for JSON, YAML, TOML and CSV that runs entirely in your browser, so your data never leaves your machine.

  • JSON, YAML, TOML and CSV converters
  • JSON Schema validation
  • Side-by-side diff
  • WebAssembly
  • TypeScript
Free foreverNo account needed
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NewFree Tools

JSON Converter & Validator

Validate, fix and convert JSON in your browser.

Paste JSON to validate it instantly, auto-fix common mistakes, then convert it to XML, YAML, CSV, TypeScript, Python or Markdown.

  • Instant validation with line and column errors
  • One-click auto-fix for common syntax mistakes
  • Convert to XML, YAML, CSV, TypeScript and more
  • JavaScript
  • Client-side
Free foreverNo account needed
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NewFree Tools

Mock Data Generator

Generate fake users, orders and addresses.

Create realistic test data as JSON, CSV, SQL INSERT statements or JSON Lines, with repeatable seeds and selectable fields.

  • Users, orders and addresses datasets
  • JSON, CSV, SQL and JSON Lines output
  • Repeatable results with a seed
  • JavaScript
  • Client-side
Free foreverNo account needed
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