Workflow automation tools now cover a wide range of jobs, from visual app and agent builders to orchestration, browser automation, webhook delivery, and durable background execution. This list uses ToolVitals data for May 2026 and stays within the provided scores and descriptions.
The ranking puts ToolVitals score first, then uses GitHub stars as the secondary popularity signal when scores are tied. That means the order reflects overall health and shipping quality before community size.
Rankings
| Rank | Tool | Health | Shipping | GitHub Stars | Score | Status |
|---|---|---|---|---|---|---|
| 1 | n8n | 100 | 100 | 185884 | 94 | 🟢 Excellent |
| 2 | Sim | 100 | 100 | 27880 | 94 | 🟢 Excellent |
| 3 | Kestra | 95 | 100 | 26764 | 94 | 🟢 Excellent |
| 4 | Prefect | 100 | 100 | 22260 | 94 | 🟢 Excellent |
| 5 | Activepieces | 100 | 100 | 21946 | 94 | 🟢 Excellent |
| 6 | Skyvern | 100 | 100 | 21401 | 94 | 🟢 Excellent |
| 7 | Trigger.dev | 100 | 100 | 14692 | 94 | 🟢 Excellent |
| 8 | Hatchet | 97 | 100 | 7003 | 94 | 🟢 Excellent |
| 9 | Unstract | 97 | 100 | 6555 | 94 | 🟢 Excellent |
| 10 | Inngest | 97 | 100 | 5269 | 94 | 🟢 Excellent |
| 11 | Camunda | 92 | 100 | 4092 | 94 | 🟢 Excellent |
| 12 | Dagu | 97 | 100 | 3333 | 94 | 🟢 Excellent |
| 13 | Outpost | 89 | 100 | 943 | 94 | 🟢 Excellent |
| 14 | Giselle | 88 | 100 | 519 | 93 | 🟢 Excellent |
| 15 | Conductor | 95 | 100 | 31710 | 90 | 🟢 Excellent |
| 16 | certd | 92 | 100 | 4644 | 90 | 🟢 Excellent |
| 17 | arkade | 86 | 100 | 4575 | 90 | 🟢 Excellent |
| 18 | OpenOps | 95 | 88 | 1019 | 90 | 🟢 Excellent |
| 19 | Gobii | 89 | 100 | 413 | 90 | 🟢 Excellent |
| 20 | Node-RED | 91 | 80 | 23064 | 86 | 🟢 Excellent |
| 21 | LibreSign | 89 | 100 | 760 | 86 | 🟢 Excellent |
| 22 | Runmat | 89 | 82 | 0 | 86 | 🟢 Excellent |
| 23 | DBOS Transact Golang | 92 | 70 | 0 | 82 | 🟢 Excellent |
| 24 | career-ops | 88 | 72 | 39992 | 81 | 🟢 Excellent |
| 25 | Fastlane | 87 | 72 | 41450 | 80 | 🟢 Excellent |
| 26 | OpenGTM | 86 | 70 | 0 | 79 | 🟢 Good |
| 27 | SuggestArr | 87 | 80 | 1121 | 78 | 🟢 Good |
| 28 | OpenWorkflow | 85 | 70 | 0 | 78 | 🟢 Good |
| 29 | Loopi | 81 | 72 | 159 | 77 | 🟢 Good |
| 30 | FlowGram | 80 | 72 | 7974 | 76 | 🟢 Good |
| 31 | Hook0 | 85 | 53 | 1408 | 71 | 🟢 Good |
| 32 | Pneumatic | 79 | 62 | 289 | 71 | 🟢 Good |
| 33 | Flow-Like | 80 | 58 | 0 | 70 | 🟢 Good |
| 34 | vm0 | 80 | 55 | 0 | 69 | 🟢 Good |
| 35 | XActions | 79 | 55 | 0 | 68 | 🟢 Good |
| 36 | Dryade | 73 | 56 | 9 | 65 | 🟢 Good |
| 37 | short-video-factory | 65 | 56 | 3876 | 61 | 🟢 Good |
| 38 | ByteChef | 76 | 30 | 752 | 55 | 🟡 Fair |
| 39 | OpenSail | 76 | 30 | 465 | 55 | 🟡 Fair |
| 40 | Lamda | 59 | 47 | 7758 | 54 | 🟡 Fair |
| 41 | OpenAccountants | 73 | 30 | 43 | 54 | 🟡 Fair |
| 42 | Ordo | 73 | 30 | 26 | 54 | 🟡 Fair |
| 43 | Buildkite Agent | 78 | 24 | 0 | 54 | 🟡 Fair |
| 44 | RoboCorp | 75 | 24 | 0 | 52 | 🟡 Fair |
| 45 | Flowwink | 54 | 47 | 5 | 51 | 🟡 Fair |
| 46 | Pipedream | 83 | 0 | 11282 | 46 | 🟡 Fair |
| 47 | Huginn | 77 | 0 | 49188 | 42 | 🟡 Fair |
| 48 | agents | 76 | 0 | 34509 | 42 | 🟡 Fair |
| 49 | OpenRPA | 73 | 0 | 2935 | 40 | 🟡 Fair |
| 50 | Rulego | 73 | 0 | 1496 | 40 | 🟡 Fair |
Top 3 Highlights
n8n leads the list with a ToolVitals score of 94 and 185,884 GitHub stars. It stands out for combining visual building with custom code, self-host or cloud deployment, native AI capabilities, and 400+ integrations.
Sim ties n8n on ToolVitals score at 94 and has 27,880 GitHub stars. Its focus is narrower and more agent-centric: build, deploy, and orchestrate AI agents as the central intelligence layer for an AI workforce.
Kestra also scores 94 and has 26,764 GitHub stars. It is positioned as an event-driven orchestration and scheduling platform for mission-critical applications, which puts it squarely in the durable workflow camp.
Want to see the full health, shipping, openness, and evidence details for every tool in Workflow Automation? Browse all Workflow Automation Tools →