28 tools in Data & Analytics with a free plan, as shown on each vendor's own pricing page. 18 of them were read and verified on the vendor's page; the rest carry their check status so you can see how sure we are.
Listed A to Z, not ranked. A free plan usually has limits (credits, watermarks, exports); the line under each price says what we found. Free trials are not counted as free plans. Checked up to 11 Nov 2026.
Managed RAG platform: connect your documents and get retrieval through an API, SDKs and hosted search. Priced by pages processed, with extra connectors billed separately.
From $49/mo (Pro)Free plan: 10,000 retrievals per month
Turns plain-English questions into SQL, runs it read-only on your own database, and explains, fixes and optimizes queries. Paid plans start with a 7-day trial that needs a card.
Finds and fixes data and label errors in datasets, and offers a Trustworthy Language Model that scores how reliable an LLM answer is. TLM is pay-per-token after free tokens.
Collaborative cloud notebook for Python and SQL with an AI agent that writes and fixes code, builds charts and schedules runs. Paid seats are charged per editor; viewers are free.
Enterprise AI platform (H2O AI Cloud) with Driverless AI AutoML, Enterprise h2oGPTe and LLM Studio, plus open-source H2O-3 and h2oGPT. Sold as one annual license based on compute and memory.
Open-source LLM observability and gateway: log, monitor and debug AI app requests with a one-line proxy change. Flat monthly plans, plus usage-based fees for requests and storage above the included amounts.
From $79/mo (Pro)Free plan: 10,000 requests per month
Data labeling and AI data platform for annotating images, video, text and audio, with a model Foundry for auto-labeling. Billed in Labelbox Units (LBUs).
Cloud workspace from the PyTorch Lightning team for coding, training and serving AI models on rented GPUs. Each plan bundles monthly compute credits; extra GPU time is billed by the second.
Zilliz Cloud is the managed service for the open-source Milvus vector database. Free cluster, pay-per-operation Serverless, and Dedicated clusters billed by compute.
From $126/mo (Standard)Free plan: 2,500,000 vCUs per month
Open-source AI data agent and BI platform that answers questions, builds dashboards and sets alerts on your data. You can self-host it free or use the managed cloud.
Open-source tool for testing and red-teaming LLM apps: run evals, compare prompts and models, and scan for vulnerabilities from the command line. Enterprise adds a hosted dashboard, team controls and on-prem deployment.
Document parsing API and open-source library that turns PDFs, Office files and scans into clean structured data for RAG and AI agents. Billed per page.
Open-source (MIT) framework for asking questions of your database in plain language, with an optional hosted cloud. Cloud plans are priced by questions per day.
