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Products that do what Kiln – AI Boilerplate with Evals, Fine-Tuning, Synthetic Data, and Git does

I noticed there weren't boilerplates for AI projects like there were for web apps, so I built one. Same idea - everything you need to get a project up and running quickly. However, instead of web-framework/CSS/DB, it's tools for AI projects: evals, synthetic data gen, fine-tuning, and more. Kiln is a free, open tool that gives you everything most AI projects need in one integrated package: - Eval system: including LLM-as-judge evals, eval data generation, human baselines - Fine-tuning: proxy to many fine-tuning providers like Fireworks/Together/OpenAI/Unsloth -…

  1. 1

    AI that writes code for you

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  2. 2
    Giselle502

    Build and run AI workflows. Open source.

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  3. 3IB

    https://the-pocket.github.io/Tutorial-Codebase-Knowledge/

    2025 · github.com

  4. 4

    The first SaaS boilerplate for creating AI products

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  5. 5

    Open-source evaluations and observability for LLM apps

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  6. 6

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  7. 7

    Easy-to-use, fun productivity tools - free & open-source

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  8. 8

    The low-code platform for testing AI apps

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  9. 9

    Open-source stack for industrial-grade LLM applications

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  10. 10
    OS Ninja301

    Explore and learn open source using AI

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  11. 11

    Open-source monitoring for machine learning models

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  12. 12MR

    Data visualizations are the bridge between user and data. But building AI agents that can generate visualizations reliably can be very tricky: - simple chart specs can be reliable, but generated charts are often of low quality due to reliance on system defaults; - complex chart specs with explicit details can produce good-looking charts, but they are verbose and agents can struggle with reliability We figured out it is a limitation on the language issue (not just AI capability thing) -- current visualization languages are a bit too low-level for AI agents, requiring them to explicitly make…

    Jul 2026 · microsoft.github.io

  13. 13OS

    Hey HN community! I'm one of the lead devs of this project at fal.ai and we created an open source lightweight video editor powered by the latest media AI models. The main goal was to tackle some challenges when dealing with complex media handling and encoding on the browser. It all started as an internal experiment but as we tackled some of the issues it was clear there could be some value sharing it with the open source community. Some of the key points and tech stack details: - It uses IndexedDb, so all data is local (i.e. no auth, no cloud db) - Multiple AI models for video, image, music…

    2025 · github.com

  14. 14KT

    Hey HN! Tired of hitting "Sign up for free" buttons only to discover the real limitations after creating an account? Or finding a "free" tool that adds watermarks to everything? Yeah, me too. I'm building kis.tools, a curated directory of tools that: Work instantly - registration only when technically necessary, have genuine free functionality, keep interfaces clean and focused, process data locally when possible, keep promotional messages or ads minimal and unobtrusive Think of it as a home for tools like Eric Meyer's Color Blender (running since 2003!) - tools that do one thing, do it…

    2024 · kis.tools

  15. 15OS

    Hi everyone, we’re a small team, supported by Mozilla, who are working on re-imagining a UI for training, tuning and testing local LLMs. Everything is open source. If you’ve been training your own LLMs or have always wanted to, we’d love for you to play with the tool and give feedback on what the future development experience for LLM engineering could look like.

    2025 · github.com

  16. 16

    Open source dashboard for AI engineering & LLM data

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  17. 17

    The fastest way to build APIs for IoT applications

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  18. 18IB

    2025 · github.com

  19. 19

    I was tired of outdated UIs and performance of similar tools. Nor did I want to write ImageMagick scripts every time I needed to resize/convert/watermark a folder with a few thousand images. It's a native desktop app built with C++23, Skia for rendering, libvips for image processing and my own cross-platform UI toolkit - no Electron/Qt. It allows building reusable pipelines: resize, convert, compress, watermark, sharpen, blur, rotate, flip, rename, and metadata (EXIF/IPTC/XMP) editing, chained in any order and saved for reuse. Batches run in parallel. Everything is…

    Jul 2026 · kilnimage.app

  20. 20OS

    Hey HN! A few months ago we shared our AI dataset generator as an open source repo, and the response was incredible (https://news.ycombinator.com/item?id=44388093). We got requests from folks who wanted to use it without the hosting overhead, so we created both options: a hosted version (https://www.metabase.com/ai-data-generator for instant use and the source code fully open (https://github.com/metabase/dataset-generator) for anyone who wants to self-host or contribute. Looking forward to seeing how you use it and what you build on top of…

    Sep 2025 · metabase.com

  21. 21
    Aiken113

    Premium Webflow template for AI startups

    2023

  22. 22KG

    Hi HN, I've been building this tool for the past couple of weeks to solve a problem that seems universal across development teams: sharing environment variables securely. You know the drill - someone needs the staging database URL, so it gets shared over chat. Production API keys end up in plaintext files. Or you set up some complex secret management system that becomes a single point of failure during critical deployments. At Zerodha, we're a stock broker with strict regulatory requirements. Our infrastructure needs to be auditable, and our data must stay with us for instant recovery. But…

    2025 · kiln.sh

  23. 23SA

    Hey HN! I've been serially building AI projects for over a year, and building node + js SaaS products for over 10 years with my partner. We decided to combine everything we know about AI with our node best-practices into a code boilerplate and see if it can help anyone else! We've had a bunch of positive feedback already from early-users, and at least two SaaS products being developed right now with StartKit.AI as their base. Here's what you get! → Pre-built modules for all common AI tasks: - Chat! Everything to build a ChatGPT clone or your own chatbot. With best-practice implementations of…

    2024 · startkit.ai

  24. 24OS

    Hey HN! I'm open-sourcing a little weekend side project. It's a terminal UI that generates parsers for webpages using AI, and a library that runs these parsers while you browse (it connects to Chrome over CDP). You can parse Twitter, LinkedIn, and HN posts and they get saved to a DuckDB database, so you can query them later. Contributions welcome! I wrote a bit more about it here: https://0thernet.substack.com/p/memo-2-selectron

    2025 · github.com

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