Kysely, a type-safe SQL query builder for TypeScript
The most powerful type-safe SQL query builder for TypeScript
Kysely, a type-safe SQL query builder for TypeScript launched on June 21, 2023 with 90 votes, #722 of 4,655 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
Kysely is a SQL query builder designed for TypeScript developers that emphasizes type safety. It allows developers to write database queries with compile-time type checking, reducing runtime errors. The tool integrates with TypeScript's type system to ensure queries match database schemas. Kysely is aimed at developers building applications that require reliable, maintainable database interactions while working in TypeScript environments.
written from the facts on this page · September 2026
From the sources
Mature , predictable SQL, precise types, tight feedback loops. Runs everywhere: Node , Deno , Bun , Workers , Browsersfrom kysely.dev
Does a similar job
all alternatives →
A SQL database implemented purely in TypeScript type annotations2020 · github.com · ▲426A SQL database implemented purely in TypeScript type annotations. - codemix/ts-sql
PgTyped – Typesafe SQL in TypeScript and Postgres2020 · github.com · ▲269pgTyped - Typesafe SQL in TypeScript. Contribute to adelsz/pgtyped development by creating an account on GitHub.
Pg-typesafe – Strongly typed queries for PostgreSQL and TypeScriptFeb 2026 · github.com · ▲69Throughout my career, I tried many tools to query PostgreSQL, and in the end, concluded that for what I do, the simplest is almost always the best: raw SQL queries. Until now, I typed the results manually and relied on tests to catch problems. While this is OK in e.g., GoLang, it is quite annoying in TypeScript. First, because of the more powerful type system (it's easier to guess that updated_at is a date than it is to guess whether it's nullable or not), second, because of idiosyncrasies (INT4s are deserialised as JS numbers, but INT8s are deserialised as strings). So I wrote pg-typesafe,…
ORM for TypeScript with no query-builder, supporting full SQL queries2020 · github.com · ▲220An extremely simple and explicit ORM for TypeScript - Seb-C/kiss-orm
Bun-sqlgen – Type-safe raw SQL for Bun, no ORMJun 2026 · github.com · ▲55Types generator for your Bun.sql queries. Contribute to ilbertt/bun-sqlgen development by creating an account on GitHub.

More dev tools this month
the category →

open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 27d ago · github.com

Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 25d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 22d ago · openbot.run
Talanoa▲340Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 20d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 27d ago · corespeed.io
Source: Show HN post ↗
Launched alongside, June 2023
the whole month →
Heya HN, I've been working on a reddit-like platform as my primary side project for the last few years. Doing a (very) soft launch today, mainly because I want to use it to encourage discussion of alternatives. How non.io works: 1. Free to browse, paid to interact. 2. Minimum subscription is $2 (though you can choose more). I take $1 to run the servers, everything left gets split evenly between everything you upvote that month. It's a simple model, but I hope it's a better one than the freemium model we've been relying on for the last few years. Fundamentally I feel like any ad-supported…
Commerce · 2023 · non.io

Typefully 2.0▲931Effortlessly publish on Twitter and LinkedIn, now with AI
Growth · 2023 · typefully.com

SlashPage▲755Create websites in seconds to build your first 1K community
Growth · 2023 · slashpage.com

Easy to use AI-powered, drag-and-drop website, SAAS landing, directory, and blog builder for startups, mobile apps, and SaaS. 100% no code, no design skills needed.
AI · 2023 · unicornplatform.com