Directory

7 tools

Chroma · Vector databases

Open-source embedding database with a minimal Python and JavaScript API, usable in-process, as a server or through Chroma Cloud

Apache-2.0Open sourceUsage-basedLocalSelf-hostedNov 2, 2026

ClickHouse

ClickHouse, Inc. · Analytical engines & OLAP

Open-source columnar OLAP database server for fast aggregations over billions of rows, with MergeTree storage, SQL and a managed ClickHouse Cloud

Apache-2.0Open sourceFreeLocalSelf-hostedNov 2, 2026

Dagster

Dagster Labs · ETL/ELT & orchestration

Asset-oriented Python orchestrator that models pipelines as software-defined data assets with lineage, checks and a hosted Dagster+ option

Apache-2.0Open sourceFreemiumLocalSelf-hostedRedirected

Ollama

Ollama · Local LLM inference & serving

Open-source runtime and model manager for running open-weight LLMs locally on macOS, Windows and Linux, with a REST API, OpenAI- and Anthropic-compatible endpoints and optional cloud models

MITOpen sourceFreeLocalSelf-hostedNov 2, 2026

OpenAlex

OurResearch · Literature discovery & review

Open catalog of the global research system: works, authors, sources, institutions and topics under CC0, served by a REST API, web app and S3 snapshot

Open sourceFreeFreemiumBroken

Prisma ORM

Prisma Data, Inc. · Web frameworks & UI

TypeScript ORM with a declarative schema language, generated type-safe client and migration tooling, from the company that also offers Prisma Postgres and related hosted services

Apache-2.0Open sourceFreeLocalSelf-hostedNov 2, 2026

Supabase

Supabase Inc. · Relational databases

Open-source backend platform built around a dedicated PostgreSQL database with auto-generated APIs, authentication, file storage, realtime subscriptions and edge functions

Apache-2.0Open sourceFreemiumSelf-hostedNov 2, 2026

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