Developer tools / Checkly / Alternatives
Alternatives to Checkly
24 other tools do at least one of the 2 tasks Checkly does. Tools with a tested score come first; the rest are ordered by how many tasks they share with Checkly.
Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.
Better Stack
Not enough dataAI SRE and MCP server, incident management, on-call, logs, metrics, traces, and error tracking. 7,000+ happy customers. 60-day money back guarantee.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- Free plan at $0/month for personal projects: 10 monitors and heartbeats (shared), 1 status page, Slack and email alerts. Check frequency for the free tier is not listed.
- Signup
- Not stated. The privacy policy says accounts are created from information given at registration.
Cronitor
Not enough dataMonitoring made for developers. Monitor AI agents, cron jobs, websites, APIs, and everything in between — with instant alerts when something breaks.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- Free plan (Hacker), $0: 5 monitors, email and Slack alerts, one basic status page with 50 subscribers, 100,000 web analytics and error events, 1 user, fastest check every 5 minutes. No SMS alerts or browser checks.
- Signup
- Not stated.
Datadog
Not enough dataSee metrics from all of your apps, tools & services in one place with Datadog’s cloud monitoring as a service solution. Try it for free.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- Not stated.
- Signup
- Not stated.
Healthchecks.io
Not enough dataGet instant alerts when your cron jobs, background workers, scheduled tasks don't run on time. Monitor up to 20 cron jobs for free.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- Hobbyist plan, $0 per month: 20 jobs to monitor, 100 log entries per job.
- Signup
- Not stated.
HetrixTools
Not enough dataMonitor uptime, server metrics, and blacklist status in one place with alerts on 20+ channels.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- Free for life: 15 uptime monitors, 15 server monitors, 4 of 12 monitoring locations, 15-day activity log, 1,000 API calls per month. You must log in at least once every 90 days to keep it.
- Signup
- Account required (free plan is started by registering).
Insomnia
Not enough dataLeading Open Source API Development Platform for HTTP, REST, GraphQL, gRPC, SOAP, and WebSockets
Shares 1 of 2 tasks: API testing
- Free tier
- Essentials plan is $0 per user/month: Git Sync projects for up to 3 users, unlimited Cloud/Local projects, unlimited collection runs and environments, 1,000 mock server requests per month, Inso CLI. Scratch Pad is local-only and free.
- Signup
- Not stated for the free plan. The page says the Scratch Pad can be used without logging in.
Instatus
Not enough dataCreate a free status page in seconds. Monitor your services, fix incidents with your team, and share your status with customers.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- Starter plan is free: 15 monitors, 2-minute checks, email alerts, 5 team members, 2 on-call members, a public status page, no custom domain, 200 subscribers.
- Signup
- Not stated; page has Sign up free calls to action.
NodePing
Not enough dataNodePing Uptime Monitoring for Websites and Servers. Unlimited SMS alerts.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- NodePing offers a free 15-day trial. The page says: “Free 15-day trial - Start Now No credit card required.”
- Signup
- An account signup is required to use the service. The page says: “Log in . . Log in . Sign up . . . Uptime Monitoring for Websites and Services.”
Pingdom
Not enough dataPingdom is listed for: uptime monitoring.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- Pingdom offers a 30-day free trial that is fully functional. The page says: “START 30-DAY FREE TRIAL Fully Functional for 30 days.”
- Signup
- A free trial requires starting a trial, which implies a signup process. The page says: “START 30-DAY FREE TRIAL Fully Functional for 30 days.”
Postman
Not enough dataGo faster from development to production with higher accuracy and fewer tokens.
Shares 1 of 2 tasks: API testing
- Free tier
- The Free plan supports core solo API development and testing for individual developers. The page says: “Free supports core solo API development and testing for individual developers.”
- Signup
- A signup is required to use Postman. The page says: “Sign In Sign Up for Free.”
StatusCake
Not enough dataWebsite Monitoring solution that drives revenue & keeps you online. Track your uptime, page speed, domain, server, & SSL certificates.
Shares 1 of 2 tasks: Uptime monitoring
- Free tier
- Free plan at $0 per month: 10 uptime monitors (5-minute interval), 1 page speed monitor, 1 domain monitor, 1 SSL monitor, alerts via integrations.
- Signup
- Not stated.
Thunder Client
Not enough dataThunder Client is a fast, lightweight REST API client for VS Code and JetBrains. Test REST and GraphQL APIs and share collections with Git, right in your IDE.
Shares 1 of 2 tasks: API testing
- Free tier
- Free plan, $0 per user per month, no credit card: 3 collections, 50 requests per collection, 5 collection imports per month, collection runner via CLI only. Includes VS Code and JetBrains extension, CLI/CI, WebSocket, SSE and gRPC.
- Signup
- Not stated.
Yaak
Not enough dataYour requests on your machine, versioned with Git. Interact with any API using the app or agent-friendly CLI.
Shares 1 of 2 tasks: API testing
- Free tier
- Free for personal use with no license. Commercial use has a 30-day trial starting on first launch, with no credit card or signup required.
- Signup
- Personal use and trial need no account. Licenses are tied to a Yaak account.
Apidog
Not enough dataApidog is listed for: api testing.
Shares 1 of 2 tasks: API testing
Bruno
Not enough dataBruno is the Git-native API client for REST, GraphQL, gRPC and Websocket. A local and open-source solution to Postman. Fast, developer-first, and no cloud syncing.
Shares 1 of 2 tasks: API testing
Hoppscotch
Not enough dataHelps you create requests faster, saving precious time on development.
Shares 1 of 2 tasks: API testing
HTTPie
Not enough dataMaking APIs simple and intuitive for those building the tools of our time.
Shares 1 of 2 tasks: API testing
RapidAPI
Not enough dataRapidAPI is listed for: api testing.
Shares 1 of 2 tasks: API testing
ReqBin
Not enough dataReqBin is listed for: api testing.
Shares 1 of 2 tasks: API testing
Site24x7
Not enough dataSite24x7 offers both free & paid monitoring services for your entire IT environment.
Shares 1 of 2 tasks: Uptime monitoring
Swagger
Not enough dataSimplify API development for users, teams, and enterprises with our open source and professional toolset. Findogut how Swagger can help you and get started today.
Shares 1 of 2 tasks: API testing
Updown.io
Not enough dataϟ Website monitoring — beautiful, simple and inexpensive.
Shares 1 of 2 tasks: Uptime monitoring
Uptime Kuma
Not enough dataA self-hosted monitoring tool
Shares 1 of 2 tasks: Uptime monitoring
UptimeRobot
Not enough dataStart monitoring in 30 seconds. Use advanced SSL, keyword and cron monitoring. Get notified by email, SMS, Slack and more. Get 50 monitors for FREE!
Shares 1 of 2 tasks: Uptime monitoring
Free-tier and signup lines come from each tool's own pages. Prices and limits change; check the tool before you rely on them.
Know a tool that should be here? Submit it, or write to hello@agathox.com.