Custom Activities Repository vs StackStorm: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Custom Activities Repository is a free security orchestration automation and response tool. StackStorm is a free security orchestration automation and response tool. Compare features, ratings, integrations, and community reviews side by side to find the best security orchestration automation and response fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Teams building Ayehu NG automation workflows who need activities beyond the platform's built-in library should start here; the community-driven repository lets you extend orchestration without writing from scratch or waiting on vendor roadmaps. Seven GitHub stars and free distribution mean adoption is thin, so expect limited pre-built activities and sparse documentation compared to commercial SOAR marketplaces. Skip this if your team lacks Python or scripting skills to adapt community contributions to your environment, or if you need vendor-backed support guarantees for production automations.
DevOps and platform engineering teams automating repetitive incident response workflows will get the most from StackStorm; its open-source core means you're not locked into a vendor's integration library and can write custom workflows in Python for infrastructure only your team understands. The platform ships with 200+ pre-built integrations and runs on-premises, so air-gapped environments can actually deploy it. Skip this if you need out-of-the-box SOAR capabilities with managed alert triage and playbook templates; StackStorm requires engineering lift to operationalize and assumes your team owns the full automation stack.
