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Dev tools · alternatives · 2026

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24 alternatives to Updating the TimescaleDB license thanks to HN

4 months ago, our announcement for our free, multi-node, petabyte-scale time-series database generated 200+ comments: https://news.ycombinator.com/item?id=23272992 Many commented on the Timescale License, our source-available license governing advanced features (eg multi-node). Most were positive, but some pointed out drawbacks (who says HN can't be productive!). That spurred an internal debate. Today we're happy to share an updated Timescale License with new rights, including the "right-to-repair" and "right-to-improve." And we’re doubling-down on our community, making all…

TimescaleDB is a source-available, multi-node time-series database designed for petabyte-scale data storage. Built for developers and data engineers handling time-series workloads, it offers free core functionality… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Updating the TimescaleDB license thanks to HN launched in 2020; newer entries below may have overtaken it.

  1. 1

    An open source time-series SQL database powered by Postgres!

    2019 · github.com · its alternatives →

  2. 2

    Hey HN -- thanks for showing interest in this. Happy to collaborate on this project. I'm hoping to get it stable soon so my own family can start using it. I've been working on this for about 10+ years, nights and weekends. It's been really slow going since I only have my own personal data to test it with. I just don't love that my data is primarily stored on someone else's computer up in the cloud. I want my own local copy at least. And while I can download exports from my various accounts, I don't want them to just gather dust and rot on my hard drive. So, Timelinize helps keep that data…

    2025 · timelinize.com · its alternatives →

  3. 3

    Fast time-series extension for PostgreSQL. Contribute to xataio/deltax development by creating an account on GitHub.

    May 2026 · github.com · its alternatives →

  4. 4

    The last database you'll ever need. Go from idea to IPO.

    2021 · planetscale.com · its alternatives →

  5. 5

    I launched NumPad v1 on here a few years ago, and back then it wasn't much more than a thin CodeMirror wrapper around the calculator engine I'd written. Now I've rewritten it as a PWA that supports multiple documents, persists them to IndexedDB, and has a syncing service for paying customers. Syncing is handled by Automerge[1] under the hood, which should make it relatively easy to get document sharing working too. [1] https://automerge.org/

    2022 · numpad.io · its alternatives →

  6. 6DA

    Hey HN! I’ve written a bunch of WebSocket servers over the years to do simple things like state synchronization, WebRTC signaling, and notifying a client when a backend job was run. I realized that if I had a simple way to create a private, temporary, mini-redis that the client could talk to directly, it would save a lot of time. So we created DriftDB. In addition to the open source server that you can run yourself, we also provide https://jamsocket.live where you can use an instance we host on Cloudflare’s edge (~13ms round trip latency from my home in NY). You may have seen my…

    2023 · driftdb.com · its alternatives →

  7. 7

    📈 A small, fast chart for time series, lines, areas, ohlc & bars - leeoniya/uPlot

    2019 · github.com · its alternatives →

  8. 8

    QuestDB live demo. Query three large datasets and more than 2 billion rows in milliseconds with SQL

    2020 · try.questdb.io · its alternatives →

  9. 9
    QuestDB▲194

    Fastest open source database for time-series and analytics

    2020 · questdb.com · its alternatives →

  10. 10

    Open-source database for large-scale time-series data

    2022 · greptime.com · its alternatives →

  11. 11

    We just released our database, SpacetimeDB, on GitHub under the BSL 1.1 license. It converts to a free software license after a few years. The point of the database is that you upload application logic into the database as a WebAssembly stored procedure, so instead of clients connecting to a webserver they connect directly to the database. The database itself does authentication and you write your own authorization logic just like you would inside a webserver. We’ve developed our game, BitCraft (https://bitcraftonline.com) entirely in this way. All of the game state is stored and…

    2023 · github.com · its alternatives →

  12. 12

    Collect, store, and analyze time series and geolocated data

    2020 · warp10.io · its alternatives →

  13. 13M2

    Hey HN, I want to share with you something I and my four colleagues have been working on for the last several years. It’s a whiteboarding and notes tool called Muse[1]. We just released a 2.0 version which includes local-first sync. A little backstory: I’m one of the authors of the 2019 essay Local-first software[2]. (Past HN discussions[3][4].) The thesis is to reclaim some of the ownership over our data that we’ve lost in the transition from filesystems to cloud/SaaS. So I’m excited to bring CRDT technology “out of the lab” and into a commercial product as a chance to prove the value…

    2022 · museapp.com · its alternatives →

  14. 14OF

    Hi HN! Today I'm launching OpenTimes, a free database of roughly 150 billion pre-computed, point-to-point travel times between United States Census geographies. In addition to letting you visualize travel isochrones on the homepage, OpenTimes also lets you download massive amounts of travel time data for free and with no limits. The primary goal here is to enable research and fill a gap I noticed in the open-source spatial ecosystem. Researchers (social scientists, economists, etc.) use large travel time matrices to quantify things like access to healthcare, but they often end up paying…

    2025 · opentimes.org · its alternatives →

  15. 15SV

    I've already posted yesterday, but I'd really love to get comments, any kind of questions, suggestions and help would be greatly appreciated as it's an Open Source project of mine (and was for others during my studies at the University of Konstanz 6 years ago). Since then I spent countless ours to bring forth the idea of a versioned storage system, especially well suited for analytical tasks for timd-varying data. Especially I'd love to discuss what documentation you need, which next steps are necessary (JSON, Cloud...), API additions or changes... I've updated the README quiet a bit, such…

    2018 · its alternatives →

  16. 16
  17. 17

    ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API - iamkun/dayjs

    2018 · github.com · its alternatives →

  18. 18
    Claimby▲107

    Free legally-valid timestamps for your files, ideas & art.

    2018 · claimby.com · its alternatives →

  19. 19
    TimeSeal▲116

    Restoring digital trust, one blockchain timestamp at a time

    2023 · timeseal.com · its alternatives →

  20. 20

    Hey HN, I am the founder of Tensorlake. Prototyping LLM applications have become a lot easier, building decision making LLM applications that work on constantly updating data is still very challenging in production settings. The systems engineering problems that we have seen people face are - 1. Reliably process ingested content in real time if the application is sensitive to freshness of information. 2. Being able to bring in any kind of model, and run different parts of the pipeline on GPUs and CPUs. 3. Fault Tolerance to ingestion spike, compute infrastructure failure. 4. Scaling compute,…

    2024 · getindexify.ai · its alternatives →

  21. 21
    Epoch▲95

    A general purpose library for building real-time charts.

    2014 · fastly.github.io · its alternatives →

  22. 22

    Broadcast, Presence, and Postgres Changes via WebSockets - supabase/realtime

    2020 · github.com · its alternatives →

  23. 23

    SiriDB is a highly-scalable, robust and super fast time series database. Build from the ground up SiriDB uses a unique mechanism to operate without a global index and allows server resources to be added on the fly. SiriDB's unique query language includes dynamic grouping of time series for easy anal

    2017 · github.com · its alternatives →

  24. 24M

    A web platform I've written to make it easy for people to share goespatial time series data and display it on animated heatmaps. There's also a social media component that allows you to write comments, follow, share and like data sets that you want to engage with. You can also download the CSV data and embed animations into your own websites. People uploading datasets can also choose to make money by accepting donations. Please check out the home page for more details: https://mapipedia.com Here are some samples of things created with the platform (press the play button to start…

    2019 · its alternatives →

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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 →