Every alternative, in one table.

Sorted open-source first. "Licence" is as published upstream. "Where it runs" is the decisive column for regulated teams.

ToolLicenceWhere it runsModelsIsolationNotes
OpenWorkMITLocal desktop (macOS/Windows/Linux)50+ via BYOKLocal processMost visible open-source Cowork; on OpenCode
OpenHandsMITDocker / your infraAny LLM backendContainer per taskStrong for software tasks
Kortix / SunaElastic 2.0 (source-available)Your cloud/VPC/on-prem or managedAny provider, your keysDisposable sandbox per sessionOrg-scale: agents/skills/memory as git files; review-gated merges
KuseOpen source (Rust)Local desktopMulti-providerLocal processLightweight, filesystem-focused
Open CoworkMITWindows/macOS desktopClaude/GPT/Gemini/DeepSeek/local via BYOKVM-level sandboxGUI over your own keys
CursorClosedCloud + desktopMulti-model (hosted)Vendor-managedCoding-first; some local-model support
ChatGPT agentClosedOpenAI cloudOpenAI modelsVendor-managedWeb-based task execution
Perplexity ComputerClosedPerplexity cloudPerplexity modelsVendor-managedAutonomous, research-oriented; usage-priced
Claude Cowork (baseline)ClosedAnthropic cloud + Claude desktopAnthropic onlyFolder-scoped permissionsThe thing being replaced

How to read the table