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Apify

Apify Technologies s.r.o. · Data collection & crawling

In-depth entry

Cloud platform and marketplace for running web-scraping and automation programs (Actors), with storages, proxies, scheduling, an API and an MCP server for agents

Apache-2.0FreemiumUsage-basedNov 2, 2026

dbt

dbt Labs (Fivetran + dbt Labs) · ETL/ELT & orchestration

In-depth entry

SQL-first transformation framework that compiles templated models, tests and documentation into warehouse tables; open-source Core plus a commercial platform

Apache-2.0Open sourceFreemiumLocalSelf-hostedNov 2, 2026

Firecrawl

Firecrawl (formerly Mendable) · Data collection & crawling

In-depth entry

Web data API that scrapes, crawls, maps and searches websites and returns clean Markdown or structured JSON for LLM pipelines, with an AGPL-licensed self-hostable core

AGPL-3.0-onlyFreemiumPaidSelf-hostedNov 2, 2026

Hugging Face Hub

Hugging Face · Training & fine-tuning

In-depth entry

Hosting platform for open models, datasets and Spaces demo apps built on git repositories and Xet storage, with Inference Providers, Endpoints, Jobs and an open-source Python client and CLI

MixedFreemiumPaidLocalNov 2, 2026

Langfuse

Langfuse (part of ClickHouse, Inc. since January 2026) · Prompting, evaluation & observability

In-depth entry

Open-source LLM observability and evaluation platform: tracing, LLM-as-judge and human evals, prompt management, datasets and cost dashboards, self-hostable or as Langfuse Cloud

MITOpen sourceFreemiumSelf-hostedNov 2, 2026

LangGraph

LangChain, Inc. · Agent frameworks & orchestration

In-depth entry

Low-level orchestration framework and runtime for stateful, long-running agents expressed as graphs, with durable execution, checkpointing, human-in-the-loop and streaming

MITOpen sourceFreeLocalSelf-hostedNov 2, 2026

QuantConnect

QuantConnect Corporation · Financial analysis & investing

In-depth entry

Algorithmic trading platform built on the open-source LEAN engine, with cloud backtesting, research notebooks and brokerage-connected live trading

Apache-2.0FreemiumPaidLocalNov 2, 2026

Tavily

Tavily (Alpha AI Technologies Inc.) · Search & web-data APIs

In-depth entry

Web search, extraction, crawling and research API designed for LLM agents, returning concise source content with SDKs, framework integrations and a hosted MCP server

ProprietaryFreemiumUsage-basedNov 2, 2026

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