Research report · data-report
Open source: a census of 110 listings
29 of 110 listings answer yes for “Open source”. Counted from our own datasheet, with the query that reproduces every figure.
On this page
Open source, across 110 settled listings
Of the 110 Published listings whose datasheet settles “Open source”, the largest group is “No” at 38 (35%). Measured 2026-09-09.
Explore the matching agents
Open source · Datasheet criterion open_source · Report counted .
Current listings as of ; this set may differ from the report's original sample. Includes “Yes” and “Qualified” answers only. Read the conditions on qualified answers before treating them as a match. “No”, “Not applicable” and “Not established” answers are excluded.
View 56 current matching records
- AgentBridge Yes
MIT licensed, with the whole implementation public in the vendor's GitHub repository.
Source retrieved 2026-09-02
- Agent Development Kit (ADK) Yes
Apache 2.0, with the Python, TypeScript, Go and Java libraries and the adk web dev UI each in a public github.com/google repository taking pull requests.
Source retrieved 2026-09-02
- AgentsKit.js Yes
The whole package family is published on npm under the MIT licence and developed in public, with an edit-on-GitHub link on every documentation page.
Source retrieved 2026-09-09
- Agno Qualified
SDK and AgentOS are Apache 2.0; the control plane is the commercial part and is not published as source.
Source retrieved 2026-09-02
- Aider Yes
Apache 2.0 licensed on GitHub; the vendor also documents installing and running from source.
Source retrieved 2026-09-02
- Augment Code Qualified
Context Connectors is an open-source library on the Context Engine SDK; the agent platform itself is proprietary.
Source retrieved 2026-09-02
- AutoGen Yes
Code in the public microsoft/autogen repository is MIT-licensed; the documentation content carries a separate Creative Commons Attribution 4.0 licence.
Source retrieved 2026-09-02
- Botpress Qualified
The MIT-licensed monorepo holds the public integrations, the CLI, SDK and API client and example bots; Botpress Cloud, Studio and Desk are not in it.
Source retrieved 2026-09-02
- Browserbase Qualified
Stagehand SDK and the Browse CLI are open source; the hosted browser platform is not.
Source retrieved 2026-09-02
- Cartesia Qualified
The official JS/TS and Python client SDKs are public repositories on Cartesia's GitHub; the Sonic and Ink models and the agent runtime are not.
Source retrieved 2026-09-02
- Claude Agent SDK Qualified
Use of the SDK is placed under Anthropic's Commercial Terms of Service rather than an open-source licence.
Source retrieved 2026-09-02
- Cline Yes
Apache 2.0, with the same harness in the extensions, the CLI and the published SDK.
Source retrieved 2026-09-02
- Codex CLI Yes
CLI, SDK and app server are in openai/codex; the IDE extension and Codex cloud are not open source.
Source retrieved 2026-09-02
- CrewAI Qualified
The multi-agent framework is open source; the AMP platform and its governance layer are not.
Source retrieved 2026-09-02
- Deepgram Voice Agent API Qualified
The client SDKs are MIT-licensed on Deepgram's own GitHub, and the browser agent packages ship on npm; the Voice Agent runtime, the STT and TTS models and the self-hosted containers are proprietary and license-server validated.
Source retrieved 2026-09-02
- Devin Qualified
Only the Outposts Kubernetes orchestration operator is published as open source; no source distribution is documented for Devin itself.
Source retrieved 2026-09-02
- Dify Yes
Core features are published in the public repository under Dify's own open-source licence; commercial licensing is an Enterprise item.
Source retrieved 2026-09-02
- ElevenLabs Agents Qualified
The CLI and the client SDKs are public on GitHub and take contributions; the agent platform and the speech models themselves are proprietary and hosted.
Source retrieved 2026-09-02
- Elicit Qualified
Only Elicit's API examples repository is public and MIT licensed; the platform itself is a closed hosted service.
Source retrieved 2026-09-02
- Factory Qualified
The CI action is a public repository; the Droid agent itself ships as binaries, with no source offered.
- Firecrawl Yes
The engine repository is copyleft AGPL-3.0 with SDKs and some UI under MIT, so the core is fully inspectable. The hosted service adds Fire-engine, which the vendor itself calls proprietary infrastructure and which is not in the repo.
Source retrieved 2026-09-03
- Gemini Code Assist Qualified
The CLI surface is open source; the Code Assist service, the IDE extensions and the models are proprietary.
Source retrieved 2026-09-02
- Genspark Qualified
GenOffice, the companion desktop office suite, is open source on GitHub; the Genspark platform is proprietary, and the Team/Enterprise terms state Genspark retains all service and software IP.
Source retrieved 2026-09-02
- goose Yes
Apache-2.0, developed in the open under the Agentic AI Foundation at the Linux Foundation. Note the same llms.txt file also calls it MIT licensed; see notes.
Source retrieved 2026-09-02
- GPT Researcher Yes
MIT-licensed, with the core agent and the gptr-mcp server both published as source.
Source retrieved 2026-09-02
- HOL Guard Qualified
The local runtime that does the blocking is Apache-2.0 and inspectable on GitHub, while Guard Cloud — sync, shared policy, dashboards — is a separately scoped closed service.
Source retrieved 2026-09-07
- Juggler Yes
The app is AGPL-3.0-or-later and the extension SDK plus bundled extensions are Apache-2.0; official binaries may add proprietary paid components.
Source retrieved 2026-09-02
- Kilo Code Yes
VS Code extension, JetBrains plugin and CLI are MIT; the Gateway and Cloud backend are source available rather than MIT.
Source retrieved 2026-09-02
- LangChain Yes
LangChain, LangGraph, Deep Agents and dcode are open source; LangSmith, the paid platform, is not.
Source retrieved 2026-09-02
- Langflow Yes
The vendor calls its own codebase open source and documents installing from the public repository; the docs themselves do not name the licence in prose.
Source retrieved 2026-09-03
- LangGraph Yes
MIT-licensed library developed in the open by LangChain Inc; the product page's primary call to action links to the GitHub repository.
Source retrieved 2026-09-02
- Letta Yes
The harness and Agent SDK are Apache-2.0 on GitHub; Letta Cloud itself is a hosted proprietary service.
Source retrieved 2026-09-02
- LiveKit Agents Yes
Apache 2.0 for the Agents SDK and for the media server, SIP, Egress, Ingress and client SDKs. LiveKit Cloud is the commercial hosted layer on top.
Source retrieved 2026-09-02
- LlamaIndex Qualified
LlamaIndex and Workflows are open source; the LlamaParse commercial platform is not.
Source retrieved 2026-09-02
- Mastra Yes
The framework (Community Edition) is Apache 2.0 on GitHub; enterprise features sit in a separately licensed Enterprise Edition.
Source retrieved 2026-09-02
- Microsoft Agent Framework Yes
MIT-licensed on GitHub, with the Go SDK in a separate microsoft/agent-framework-go repository; the docs site itself is open to public contributors.
Source retrieved 2026-09-02
- MindStudio Qualified
The hosted platform is proprietary. The Node client library is MIT licensed, and the agent SDK, CLI and MCP server source is published publicly in the vendor GitHub organisation.
Source retrieved 2026-09-02
- Muse Code Qualified
The client SDK and the MSP protocol declarations are MIT-licensed and public; the muse CLI itself ships as a prebuilt native binary with no published source.
Source retrieved 2026-09-02
- n8n Qualified
Source-available under the fair-code Sustainable Use License: free to use, modify and redistribute for internal business purposes, but not to resell or host for others. Files named .ee. sit under a separate enterprise licence.
Source retrieved 2026-09-02
- OpenAI Agents SDK (Python) Yes
The repository is MIT licensed, permitting use, modification and redistribution.
Source retrieved 2026-09-02
- OpenAI Realtime API Qualified
The service and the realtime models are proprietary; the client SDKs and the API's OpenAPI specification are published on GitHub.
Source retrieved 2026-09-02
- OpenClaw Yes
MIT licensed, copyright the OpenClaw Foundation, developed in the open with the plugin SDK and channel plugins in the same repository.
Source retrieved 2026-09-02
- OpenCode Yes
MIT-licensed with a public repository that takes outside issues and pull requests.
Source retrieved 2026-09-02
- OpenHands Yes
The open-source distribution is MIT licensed; the docs warn that each repository in the ecosystem carries its own licence, and Enterprise is source-available rather than open.
Source retrieved 2026-09-02
- Perplexity Qualified
The MCP server is open source and installable as a local stdio server; the answer engine, Computer and Comet are closed.
Source retrieved 2026-09-02
- PolyAI Qualified
The ADK CLI and Python package are Apache-2.0 in PolyAI's public repository; the platform, Agent Studio and the Raven model are proprietary.
Source retrieved 2026-09-02
- Pydantic AI Yes
MIT-licensed, developed in the open at github.com/pydantic/pydantic-ai, and installable from PyPI.
Source retrieved 2026-09-02
- Salesforce Agentforce Qualified
The Agentforce platform is a hosted Salesforce service and is not distributed as source; the Salesforce Skills Library that grounds Agentforce coding agents is published Apache-2.0 on Salesforce's own GitHub org.
Source retrieved 2026-09-03
- SEObot Qualified
The integration client is public (npm package and GitHub repos); the agent itself is a closed hosted service.
Source retrieved 2026-09-03
- Sim Yes
Apache 2.0 on GitHub; the docs add that SSO and access control carry a separate license requiring a subscription for production use.
Source retrieved 2026-09-03
- sipgate flow Qualified
Only the client is open: the first-party TypeScript SDK is published under Apache-2.0, while the voice and telephony service behind it is closed and hosted.
Source retrieved 2026-09-03
- Vapi Qualified
The CLI and SDKs are MIT-licensed on Vapi's GitHub; the platform and its orchestration models are closed and hosted.
Source retrieved 2026-09-03
- Vellum Yes
MIT-licensed monorepo covering the assistant runtime, gateway, CLI, clients and skill catalog.
Source retrieved 2026-09-03
- Warp Qualified
The client is AGPL v3 and auditable. Nothing Warp says makes the same claim for the Automation Platform, cloud agents or Factories, and no licence is named for them.
Source retrieved 2026-09-03
- Zed Yes
Zed states the editor is open source, and its docs carry build-from-source instructions for macOS, Linux and Windows.
Source retrieved 2026-09-03
- zot Yes
Open source, and the footer of every page states it is MIT licensed and built in Go; source and docs are published on GitHub.
Source retrieved 2026-09-03
The population
110 listings in this index are Published. This is the population as of 2026-09-09. 110 of the 110 published listings in this index carry a settled answer for “Open source”. That row asks: Is the code open source? Every listing in the index is settled on this row, so nothing is left out.
Findings
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29 of the 110 settled listings answer “Yes” for “Open source”. That is 26% of the settled set.
-
27 of the 110 settled listings answer “Qualified” for “Open source”. That is 25% of the settled set.
-
38 of the 110 settled listings answer “No” for “Open source”. That is 35% of the settled set.
-
16 of the 110 settled listings answer “Not established” for “Open source”. That is 15% of the settled set.
1 of those yes answers is OpenAI Agents SDK (Python), which still answers yes for “Open source”. Its listing carries the stored answer and links to the source recorded for it. This is one worked example, not an independent audit of every source in the census.
What we counted, and how
Each figure above is a count over the “Open source” row of the listing datasheet, taken from the same stored answer the listing page renders. The denominator is the 110 listings whose answer is settled, meaning one of yes, qualified, no, does not apply, not established. On this row that is the whole index, because every listing has a recognised stored answer. Every number here is stored with the read-only query that reproduces it and re-run every sixty seconds against the live corpus, so a figure that stops reproducing surfaces as drift rather than as a stale sentence nobody notices. Our full method covers how a datasheet row is settled in the first place.
Limitations
This counts stored datasheet answers, not independently tested capabilities. A sourced answer can record a vendor statement or our reading of published evidence; this census does not re-fetch those sources. “Not established” means we have not established an answer. That can reflect vendor nondisclosure, blocked evidence, or unfinished research, not a no. An absent or unrecognised answer is excluded rather than treated as a researched finding. The figures are restated when the stored corpus changes; the date above is the count used for this published version, not a new verification of the vendors.
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