Code

Databases and caches

10 technologies: what each one does, whether it is SaaS or open source, its price range and its website.
  • Amazon DynamoDB

    Open source

    Serverless key-value and document database on AWS.

    Used byDuolingo,Hotmart,Nubank,PicPay

  • Amazon ElastiCache

    Open source

    Managed Redis and Memcached on AWS.

    Used byDuolingo,PicPay

  • Amazon OpenSearch

    Open source

    Managed search and log analytics on AWS.

    Used byHotmart

  • Amazon RDS

    Open source

    Managed PostgreSQL, MySQL and other relational databases on AWS.

    Used byPicPay

  • ClickHouse

    Open source

    Column database for fast analytics over billions of rows.

    Used byPlausible Analytics,PostHog,Resend,Vercel

  • Datomic

    Open source

    Database that keeps every fact over time, built for Clojure.

    Used byNubank

  • Google Cloud Bigtable

    Open source

    Google's wide-column database for huge, fast read and write workloads.

    Used byRD Station

  • ScyllaDB

    Open source

    Cassandra-compatible database built for very low latency at scale.

    Used byDiscord

  • Upstash

    Open source

    Serverless Redis, queues and vector database billed per request.

    Used byDub

  • Vitess

    Open source

    Scales MySQL horizontally by sharding it, created at YouTube.

    Used byShopify,Slack

Data from the open Wappalyzer database (enthec/webappanalyzer, GPL-3.0), updated every week. Site counts from the HTTP Archive. Code tools (frameworks, build, ORMs…) come from a list kept by Faundr.