Which Agent Tools & Integrations tools are open source?

39 of the 70 we track have a public repository: Firecrawl (AGPL-3.0), Crawl4AI (Apache-2.0), Daytona, LiteLLM (NOASSERTION), LlamaIndex (MIT), Milvus (Apache-2.0), and 33 more. Licence matters more than the label — check whether the licence covers the production server as well as the library.

What does an Agent Tools & Integrations tool actually cost?

Published monthly prices run from $1 to $250, averaging about $53/month across 49 tools that publish a figure. 51 offer a free tier. The rest quote contact-sales or usage-based pricing, where the sticker price matters less than your usage volume.

Which Agent Tools & Integrations tools are actively maintained?

Most recent commits among the open-source options: LiteLLM (2026-08-15), NVIDIA NeMo Guardrails (2026-08-15), Arize Phoenix (2026-08-14). A quiet repository isn't automatically a problem — a stable library needs fewer commits than a young one — but a year of silence is worth asking about.

AI Agent Tools & Integration Platforms

All 70 Agent Tools & Integrations tools on AgentsIndex. Filter, sort, and compare.

50 listed51 free39 open sourceavg $60/month

Reviewed by AgentsIndex · Updated Aug 15, 2026

The Agent Tools & Integrations catalog on AgentsIndex lists 70 tools built for this job. Most are built for engineers, developers, mid-market teams. 51 have a free option, 39 are open source. It's one of the more active categories with 33 tools shipping releases in the last 90 days.

Good agent tools & integrations tools share a few recurring capabilities: prompt playground, tool approval, and self-hosting, with experiments showing up in the stronger picks.

Agent Tools & Integrations compared

The 10 most-used tools in this category, by published pricing. Everything we know about each one is on its listing.

Tool	Price from	Free tier	Deployment & compliance
Firecrawl	$9/mo	Yes	Self-Hosted · Open Source
Crawl4AI	$29/mo	Yes	Self-Hosted · Open Source
LiteLLM	Free	Yes	Self-Hosted · Open Source
LlamaIndex	Free	Yes	Self-Hosted · Open Source
Milvus	Free	Yes	Self-Hosted · Open Source
Qdrant	Free	Yes	Open Source · GDPR · SOC 2 · HIPAA
Langfuse	$29/mo	Yes	Open Source · GDPR · HIPAA · ISO 27001
Cognee	$35/mo	Yes	Self-Hosted · GDPR · SOC 2
Composio	$29/mo	Yes	Self-Hosted · SOC 2 · ISO 27001
Chroma	$250/mo	Yes	BYOK · Open Source · SOC 2 · HIPAA

Guardrails AI

Test, govern, and protect LLM apps before release.

Agent Tools & Integrations

Guardrails AI tests and protects LLM apps with simulation, evals, and runtime policy checks for any LLM and deployment option.

NVIDIA NeMo Guardrails

Programmable guardrails for LLM inputs, outputs, and retrieved content.

Agent Tools & Integrations

NVIDIA NeMo Guardrails adds programmable LLM safety checks with Content Safety, PII Detection, and Topic Control. Open-source Python package on GitHub and PyPI.

Patronus AI

Evaluation and simulation for LLMs and agent workflows.

Agent Tools & Integrations

Patronus AI scores LLMs and agent workflows with evaluators, experiments, datasets, and logs. Plans start at free/month, then $25/month.

Maxim AI

AI workflow platform for prompt testing, simulation, and monitoring.

Agent Tools & Integrations

Maxim AI tests prompts and agents with simulations, observability, and Bifrost gateway routing. Plans start free, then $29/seat/month.

RAGAS

Open-source LLM evaluation for repeatable experiments and tracked results.

Agent Tools & Integrations

Ragas is an open-source LLM evaluation library with metrics, dataset management, and result tracking. Integrates with LangChain and Amazon Bedrock.

DeepEval

LLM tests, traces, and scored runs for AI teams.

Agent Tools & Integrations

DeepEval turns LLM behavior into repeatable tests with 50+ metrics and local runs. Used by Google and Microsoft.

pgvector

Vector similarity search inside Postgres for embeddings and relational data.

Agent Tools & Integrations

Pgvector adds vector search to Postgres with exact and approximate nearest-neighbor search. Plans run Free $0USDper user/month, Team $4USDper user/month, Enterprise $21USDper user/month.

Chroma

AI search infrastructure with local-to-cloud retrieval and metadata filtering.

Agent Tools & Integrations

Chroma combines sparse, vector, and lexical search with metadata filtering. Plans start at $0/month on Starter.

Milvus

Open-source vector database for fast embedding search at scale.

Agent Tools & Integrations

Milvus turns embeddings into fast similarity search, with Lite, Standalone, and Distributed deployments. Used by Salesforce and Reddit.

Qdrant

Vector database for AI search with hybrid retrieval and filtering.

Agent Tools & Integrations

Qdrant is a vector database with hybrid search, metadata filtering, and OpenAPI v3 clients. Plans include Free Tier and usage-based Standard Tier.

Weaviate

Open-source AI retrieval database with hybrid search and RAG.

Agent Tools & Integrations

Weaviate combines hybrid search, RAG, and agentic AI for retrieval-heavy apps. Plans start with a free 14-day trial, then Flex at $45/month.

Pinecone

Vector retrieval infrastructure for search, RAG, and agents.

Agent Tools & Integrations

Pinecone handles vector retrieval for search, RAG, and agents. Plans start at Free, with Builder at $20/month and Enterprise at $500/month.

Cognee

A memory layer that turns scattered data into reusable agent context.

Agent Tools & Integrations

Cognee turns scattered data into agent memory with Ingest, Reason, and Act. Plans start Free, with Developer at $35/month.

Zep

Context infrastructure for agents from memory, data, and behavior.

Agent Tools & Integrations

Zep assembles agent context from memory and business data, with Flex starting at $125/month.

Salesforce AgentExchange

A unified marketplace for Salesforce and Slack AI solutions.

Agent Tools & Integrations

Salesforce AgentExchange centralizes discovery and deployment of AI solutions for Salesforce and Slack, with 9,000+ listings and automated provisioning.

Mem0

Persistent AI memory infrastructure for agents and apps.

Agent Tools & Integrations

Mem0 adds persistent AI memory with compression, retrieval, and governance. Plans start at free, with Starter at $19/month.

Opik

Trace, test, and monitor agent behavior in one platform.

Agent Tools & Integrations

Opik traces and evaluates AI agents with Test Suites, LLM-as-a-Judge metrics, and production monitoring. Plans start free; Pro Cloud is $19/month.

Nango

Integration platform that turns plain-English ideas into TypeScript functions.

Agent Tools & Integrations

Nango turns integration ideas into TypeScript functions, supports 700+ APIs, and starts at Free $0/mo.

LiteLLM

OpenAI-compatible gateway for routing, tracking, and governing LLM traffic.

Agent Tools & Integrations

LiteLLM routes LLM traffic through one OpenAI-compatible gateway with budgets, fallbacks, and observability. Open Source is $0; Enterprise is custom.

Portkey

AI gateway for observability, guardrails, prompts, and key management.

Agent Tools & Integrations

Portkey routes LLM traffic with observability, guardrails, and prompt management. Plans start at Free Forever, then $49/month.

Apify

Web data automation with Actors, proxies, and integrations.

Agent Tools & Integrations

Apify scrapes websites and processes data with Actors, Proxies, and integrations. Plans start at Free $0 and Starter $29/month.

Braintrust

AI evaluation platform that turns production traces into evals.

Agent Tools & Integrations

Braintrust turns production traces into evals, with SDKs, MCP server, and enterprise deployment. Starter is $0/month; Pro is $249/month.

Firecrawl

Live web pages to Markdown, JSON, screenshots, and semantic text.

Agent Tools & Integrations

Firecrawl turns live web pages into Markdown, JSON, and screenshots. Plans start Free, with Hobby at $9/month and Enterprise custom.

Dynatrace

Unified observability for telemetry, logs, topology, and AI-driven action.

Agent Tools & Integrations

Dynatrace unifies telemetry, logs, and topology with dashboards, alerting, and workflows. Plans start at $7/month.

Arize Phoenix

Open-source tracing and evaluation for agent workflows.

Agent Tools & Integrations

Arize Phoenix traces agent steps, evaluates outputs, and supports local, Docker, Kubernetes, and cloud deployment.

Arcade.dev

Secure MCP runtime for agent authentication, tools, and execution.

Agent Tools & Integrations

Arcade.dev secures agent tool access with OAuth, secrets management, and MCP servers. Plans start at Free, then $25/month Growth.

Helicone

AI gateway for routing, caching, and LLM observability.

Agent Tools & Integrations

Helicone routes LLM traffic, adds traces and HQL logs, and starts at Free with Pro at $79/month.

Langfuse

AI observability for tracing, prompts, evaluations, and analytics.

Agent Tools & Integrations

Langfuse combines tracing, prompt management, and evaluations; plans start at Hobby free and Core $29/month.

LangSmith

Trace, evaluate, and deploy agents in one platform.

Agent Tools & Integrations

LangSmith traces and evaluates AI agents with Observability, Evaluation, and Deployment. Plans start at $0 / seat per month.

Composio

AI agents that act across apps with managed integrations and scoped access.

Agent Tools & Integrations

Composio connects AI agents to 1,000+ apps with OAuth-based tool calls. Plans start at $0/month.

Hamming AI

Voice and chat QA for testing agents before and after launch.

Agent Tools & Integrations

Hamming AI automates voice agent QA with prompt-to-test generation, production call replay, and 50+ metrics for teams like Augment and Luma Health.

Tavily

Live web data API for search, extraction, research, and crawling.

Agent Tools & Integrations

Tavily routes live web data into agent workflows with search, extraction, and crawling. Plans include Researcher: Free, Pay As You Go at $0.008, and Enterprise custom.

You.com

Web Search APIs for AI agents, LLMs, and agentic applications

Agent Tools & Integrations

You.com provides Search, Contents, and Research APIs that give AI agents and LLMs real-time, grounded web access. Starts with $100 free credit.

LlamaIndex

Open-source document AI for turning files into agent-ready data.

Agent Tools & Integrations

LlamaIndex turns PDFs, scans, and forms into structured data with OCR and extraction. Plans run Free, Starter Custom, Pro Custom, and Enterprise Custom.

AI Agent Tools & Integration Platforms

Agent Tools & Integrations compared

About Agent Tools & Integrations on AgentsIndex

Which Agent Tools & Integrations tools are open source?

What does an Agent Tools & Integrations tool actually cost?

Which Agent Tools & Integrations tools are actively maintained?