Open-source CrewAI alternatives

2 open-source alternatives to CrewAI, curated: CAMEL, VoltAgent. Each is open-source; compare license and links below.

ToolWhat it isLicenseOpen source
CAMELOSS alt to CrewAI; ~17562 stars; via ossinsight.ioApache-2.0yes
VoltAgentOSS alt to CrewAI; ~10321 stars; via ossinsight.ioMITyes

Positioning is each tool's own description; open-source status is evidence-based. See each linked entry for details.