Listed alphabetically. A tool is ranked by its reviews once it has 3.
| Tool | Reviews | Lowest paid plan | Free plan | Free trial | Public API | Runs on | Main features |
|---|---|---|---|---|---|---|---|
 AivenYour AI-ready open source data platform | ReviewsNone yetWrite one for Aiven | Lowest paid plan$5per month, for PostgreSQLDeveloper, as of October 23, 2026 | Free planYes | Free trial30 days | Public APIYes | Runs onCLI | Main features
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 BitriseBuild, test, and deploy iOS and Android apps on dedicated Apple silicon infrastructure | ReviewsNone yetWrite one for Bitrise | Lowest paid plan$89per month, billed annuallyStarter, as of October 23, 2026 | Free planYes | Free trial30 days | Public APIYes | Runs onCLI | Main features
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 BuildkiteCI ready for the demands of AI-led workflows | ReviewsNone yetWrite one for Buildkite | Lowest paid plan$30per active user per monthPro Plan, as of October 23, 2026 | Free planYes | Free trial30 days | Public APIYes | Runs onNot confirmed | Main features
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 CockroachDBRun business-critical applications in the cloud, on-premises, or hybrid, with global scale and resilience | ReviewsNone yetWrite one for CockroachDB | Lowest paid planSee plans | Free planNot confirmed | Free trial30 days | Public APIYes | Runs onCLI | Main features
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 CodemagicOne tool for all your mobile app builds. Test, build and release with ease | ReviewsNone yetWrite one for Codemagic | Lowest paid planSee plans | Free planYes | Free trialYes | Public APIYes | Runs onNot confirmed | Main features
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 CronitorStatus, uptime and performance monitoring for agents, cron jobs, websites, APIs, and everything in between. | ReviewsNone yetWrite one for Cronitor | Lowest paid plan$2per monitor per month, plus $5 per user per monthBusiness, as of October 28, 2026 | Free planYes | Free trial14 days | Public APIYes | Runs onNot confirmed | Main features
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 Dash0Dash0 is modern OpenTelemetry Native Observability with full cost control. | ReviewsNone yetWrite one for Dash0 | Lowest paid planNot confirmed | Free planNot confirmed | Free trial14 days | Public APIYes | Runs onNot confirmed | Main features
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 DatadogAI-powered observability and security for any stack, any app, at any scale | ReviewsNone yetWrite one for Datadog | Lowest paid plan$15per host per month, billed annuallyPro, as of October 20, 2026 | Free planNot confirmed | Free trialYes | Public APIYes | Runs oniOS, Android | Main features
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 DepotSoftware delivery built for machine scale | ReviewsNone yetWrite one for Depot | Lowest paid plan$20per monthDeveloper, as of October 23, 2026 | Free planNot confirmed | Free trial7 days | Public APIYes | Runs onCLI | Main features
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 DynatraceObservability, AI, automation, and application security in one platform. | ReviewsNone yetWrite one for Dynatrace | Lowest paid plan$7per host per monthFoundation & Discovery, as of October 28, 2026 | Free planNot confirmed | Free trial15 days | Public APIYes | Runs onNot confirmed | Main features
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 Elastic ObservabilityUnify logs, metrics, and traces on one platform. | ReviewsNone yetWrite one for Elastic Observability | Lowest paid planNot confirmed | Free planNot confirmed | Free trialYes | Public APINot confirmed | Runs onNot confirmed | Main features
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 FlagsmithOpen source feature flag service | ReviewsNone yetWrite one for Flagsmith | Lowest paid plan$45per monthStart-Up, as of October 23, 2026 | Free planYes | Free trial14 days | Public APIYes | Runs onSlack | Main features
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 FliptGit-native feature flags that eliminate deployment fear | ReviewsNone yetWrite one for Flipt | Lowest paid plan$200per monthFlipt Pro, as of October 23, 2026 | Free planYes | Free trial14 days | Public APIYes | Runs onNot confirmed | Main features
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 GitLabGitLab is the intelligent orchestration platform for teams that won't compromise on speed or control. | ReviewsNone yetWrite one for GitLab | Lowest paid planSee plans | Free planNot confirmed | Free trialYes | Public APIYes | Runs onNot confirmed | Main features
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 HoneycombObservability platform for AI-era software with fast queries and unified telemetry | ReviewsNone yetWrite one for Honeycomb | Lowest paid plan$150per month for 50M events, scaling to 750MPro, as of October 19, 2026 | Free planYes | Free trialYes | Public APIYes | Runs onNot confirmed | Main features
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 LaunchDarklyTake control of your code and agents at runtime | ReviewsNone yetWrite one for LaunchDarkly | Lowest paid plan$10per service connection per month, billed yearly, plus $8.33 per 1k client-side MAUFoundation, as of October 23, 2026 | Free planYes | Free trial14 days | Public APIYes | Runs onSlack | Main features
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 MotherDuckFast, serverless analytics powered by DuckDB with dedicated compute for every user and every agent. | ReviewsNone yetWrite one for MotherDuck | Lowest paid plan$250per org per month plus usageBusiness, as of October 28, 2026 | Free planYes | Free trial7 days | Public APINot confirmed | Runs onNot confirmed | Main features
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 NamespaceCloud agents on Devboxes, fast GitHub Actions runners, and remote execution for Bazel. | ReviewsNone yetWrite one for Namespace | Lowest paid plan$100per monthTeam, as of October 28, 2026 | Free planYes | Free trial30 days | Public APIYes | Runs onLinux, macOS, Windows | Main features
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| PineconePinecone is a fully managed vector database built for AI. | ReviewsNone yetWrite one for Pinecone | Lowest paid plan$20per month, flatBuilder, as of October 28, 2026 | Free planYes | Free trial3 weeks | Public APIYes | Runs onTerminal | Main features
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 PostmarkThe email delivery service that people actually like | ReviewsNone yetWrite one for Postmark | Lowest paid plan$15.00per month for 10,000 emailsBasic, as of October 20, 2026 | Free planYes | Free trialYes | Public APIYes | Runs onSMTP | Main features
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 RailwayA full-stack cloud for deploying web apps, servers and databases with automatic scaling | ReviewsNone yetWrite one for Railway | Lowest paid plan$5per month, plus usageHobby, as of October 19, 2026 | Free planYes | Free trial30 days | Public APINot confirmed | Runs onCLI | Main features
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 RaygunDetect, diagnose and resolve issues that are affecting end users. | ReviewsNone yetWrite one for Raygun | Lowest paid planNot confirmed | Free planNot confirmed | Free trial14 days | Public APINot confirmed | Runs onNot confirmed | Main features
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 ReflagTypeScript feature management that gets you back to building, faster. | ReviewsNone yetWrite one for Reflag | Lowest paid plan$125per month, $100 on annual billingPro, as of October 28, 2026 | Free planYes | Free trialYes | Public APIYes | Runs onNot confirmed | Main features
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 RollbarError tracking that ends in a fix | ReviewsNone yetWrite one for Rollbar | Lowest paid plan$9per month at 10,000 occurrences, scaling with volumeEssentials, as of October 20, 2026 | Free planYes | Free trial14 days | Public APIYes | Runs onNot confirmed | Main features
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 SendGridCreate, send, and manage emails at scale through RESTful APIs or SMTP relay | ReviewsNone yetWrite one for SendGrid | Lowest paid plan$19.95per month, starting price, for 50,000 to 100,000 emailsEssentials, as of October 20, 2026 | Free planNot confirmed | Free trial60 days | Public APIYes | Runs onSMTP | Main features
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| SevallaRun applications, databases, and static sites without managing infrastructure. | ReviewsNone yetWrite one for Sevalla | Lowest paid plan$0.02per GB per monthObject storage, as of October 28, 2026 | Free planYes | Free trialYes | Public APIYes | Runs onWeb | Main features
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 SingleStoreThe real-time database for AI, apps and analytics. | ReviewsNone yetWrite one for SingleStore | Lowest paid planSee plans | Free planYes | Free trialYes | Public APIYes | Runs onAzure, Google Cloud | Main features
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 TeamCityGet a CI/CD platform that can keep up. | ReviewsNone yetWrite one for TeamCity | Lowest paid planNot confirmed | Free planNot confirmed | Free trialYes | Public APIYes | Runs onNot confirmed | Main features
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 UnleashThe FeatureOps control plane built for enterprises | ReviewsNone yetWrite one for Unleash | Lowest paid plan$75per seat per month, billed monthly by credit cardPay-As-You-Go, as of October 23, 2026 | Free planYes | Free trial14 days | Public APIYes | Runs onSlack | Main features
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 VercelAgentic infrastructure to ship apps and agents, from global delivery to serverless functions | ReviewsNone yetWrite one for Vercel | Lowest paid plan$20per developer seat per month, plus usagePro, as of October 19, 2026 | Free planYes | Free trialYes | Public APIYes | Runs onCLI | Main features
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 XataThe branch native Postgres platform | ReviewsNone yetWrite one for Xata | Lowest paid planSee plans | Free planNot confirmed | Free trial14 days | Public APINot confirmed | Runs onCLI | Main features
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From each tool's own website. “Not confirmed” means we couldn't confirm it there, not that the tool doesn't have it. Each tool's page says when its facts were checked.
How this list is made
A tool is listed here only when we've confirmed on its own website that it has a free trial. Tools we couldn't confirm it for are left out, even if they may have it. Vendors can't pay for a place on this list. Add a tool we missed