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A Twitter thread by @hasantoxr (posted 2026-05-10) lists 10 open-source GitHub…

2026-05-10 · 12:30 UTC ·@hasantoxr ·0 min read

Brief

A Twitter thread by @hasantoxr (posted 2026-05-10) lists 10 open-source GitHub repositories for Harness engineers to explore: harness/harness; PostHog/posthog; Chaos Mesh; GrowthBook; Kubescape; Flagsmith; ChaosBlade; Litmus; Kusion; and Rig. The picks prioritize chaos engineering, feature-flagging/experimentation, analytics, security, and infra tooling.

Source evidence

10 Best open source repos for Harness engineering to try this weekend:

  1. Harness: github.com/harness/harness

  2. PostHog: github.com/PostHog/posthog

  3. Chaos Mesh: github.com/chaos-mesh/chaos-…

  4. GrowthBook: github.com/growthbook/growth…

  5. Kubescape: github.com/kubescape/kubesca…

  6. Flagsmith: github.com/Flagsmith/flagsmi…

  7. ChaosBlade: github.com/chaosblade-io/cha…

  8. Litmus: github.com/litmuschaos/litmu…

  9. Kusion: github.com/KusionStack/kusio…

  10. Rig: github.com/rigdev/rig