Directory

6 tools

BullMQ

Taskforce.sh (BullForce Labs AB) · Messaging & queues

Redis-backed job and message queue for Node.js (with a Python port) offering workers, flows, rate limiting, repeatable jobs and a commercial Pro tier

MITOpen sourceFreeLocalSelf-hostedNov 2, 2026

MySQL

Oracle · Relational databases

Oracle's widely deployed open-source relational database server, offered as a GPL community edition and commercial enterprise and cloud editions

GPL-2.0-only WITH Universal-FOSS-exception-1.0Open sourceFreeSelf-hostedBroken

Neo4j

Neo4j, Inc. · NoSQL & key-value stores

Native property-graph database queried with Cypher, offered as a GPL community edition, a commercial enterprise edition and the AuraDB cloud service

GPL-3.0Open sourceFreemiumSelf-hostedBroken

Plotly

Plotly Technologies Inc. · Data visualization

MIT-licensed interactive charting libraries for Python (plotly.py), JavaScript (plotly.js) and R, plus the Dash framework for analytical web apps

MITOpen sourceFreeLocalNov 2, 2026

Redis

Redis Ltd. · NoSQL & key-value stores

In-memory key-value data store used as cache, message broker and database, with data structures, Pub/Sub, Streams and, since Redis 8, built-in JSON, search and time-series modules

LicenseRef-RSALv2 OR SSPL-1.0 OR AGPL-3.0-onlyOpen sourceFreeSelf-hostedNov 2, 2026

TimescaleDB

Tiger Data (formerly Timescale) · Relational databases

PostgreSQL extension for time-series data adding hypertables, compression and continuous aggregates, from the company now named Tiger Data

Apache-2.0 AND LicenseRef-Timescale-LicenseOpen sourceFreeSelf-hostedNov 2, 2026

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