Dev tools · alternatives · 2026
24 alternatives to HydraDB OSS
Now open source: the fastest, cheapest graph DB
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1

hi hn, hydra ceo here hydra is an open source, column-oriented postgres. you can set up remarkably fast aggregates on your project in minutes to query billions of rows instantly. postgres is great, but aggregates can take minutes to hours to return results on large data sets. long-running analytical queries hog database resources and degrade performance. use hydra to run much faster analytics on postgres without making code changes. data is automatically loaded into columnar format and compressed. connect to hydra with your preferred postgres client (psql, dbeaver, etc). following 4 months…
2023 · hydra-so.notion.site · its alternatives →
- 2WH
2022 · memgraph.com · its alternatives →
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A distributed, fast open-source graph database featuring horizontal scalability and high availability - GitHub - vesoft-inc/nebula: A distributed, fast open-source graph database featuring horizontal scalability and high availability
2020 · github.com · its alternatives →
- 5

Fast, reliable graph database built for the cloud
2017 · aws.amazon.com · its alternatives →
- 6TA
2020 · terminusdb.com · its alternatives →
- 7

Hey HN, we want to share HelixDB (https://github.com/HelixDB/helix-db/), a project a college friend and I are working on. It’s a new database that natively intertwines graph and vector types, without sacrificing performance. It’s written in Rust and our initial focus is on supporting RAG. Here’s a video runthrough: https://screen.studio/share/szgQu3yq. Why a hybrid? Vector databases are useful for similarity queries, while graph databases are useful for relationship queries. Each stores data in a way that’s best for its main type of query (e.g.…
2025 · github.com · its alternatives →
- 8HO
hi hn, hydra ceo here hydra is an open-source extension that adds columnar tables to Postgres for efficient analytical reporting. With Hydra, you can analyze billions of rows instantly without changing code. demo video (5 min): https://youtu.be/1yzxgb0Oyrw github repo: https://github.com/hydradatabase/hydra For 1.0 GA release, aggregate queries are over *60% faster* than Hydra beta due to aggregate vectorization. Spatial indexes (gin, gist, spgist, and rum indexes) and pg_hint_plan are now enabled for performance optimization. postgres is great, but…
2023 · hydra.so · its alternatives →
- 9
Datomic▲73Distributed immutable transactional database for the cloud
2014 · datomic.com · its alternatives →
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- 14

A comprehensive and practical guide to MongoDB
2015 · amazon.com · its alternatives →
- 15

A look at modern database approaches and how Citus scales PG
2016 · softwareengineeringdaily.com · its alternatives →
- 16

Slava Akhmechet schools us on RethinkDB and the realtime web
2015 · changelog.com · its alternatives →
- 17

- 18GA
2016 · wiki.dgraph.io · its alternatives →
- 19AA
2018 · azartiz.com · its alternatives →
- 20

SQL Analytics for MongoDB, 100x faster than native queries
2016 · torodb.com · its alternatives →
- 21

Scalable, Distributed, Low Latency, High Throughput Graph DB
2016 · docs.dgraph.io · its alternatives →
- 22

The universal GraphQL API and CSPM tool for AWS, Azure, GCP, K8s, and tencent. - cloudgraphdev/cli
2021 · github.com · its alternatives →
- 23RG
2016 · rinocloud.com · its alternatives →
- 24AS
2022 · arraylist.org · its alternatives →
Also compare
- Hydra 1.0 – open-source column-oriented Postgres alternatives
- We have built a benchmark platform for graph databases alternatives
- GrapheneDB alternatives
- Nebula – a distributed graph database written in C++ alternatives
- Amazon Neptune alternatives
- TerminusDB – An open source in-memory graph database alternatives
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →