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Doubling Down on Open Source
a year ago
- Langfuse is open sourcing all remaining product features under the MIT license.
- Newly open sourced features include managed LLM-as-a-judge evaluations, annotation queues, prompt experiments, and the playground.
- Langfuse aims to be the open source LLM Engineering Platform, focusing on trust, feedback, and community collaboration.
- The company is shifting its commercial focus to Langfuse Cloud and Enterprise platform teams.
- There are over 8,000 monthly active self-hosted instances of Langfuse.
- Langfuse encourages users to start self-hosting with new Terraform modules for production-scale deployment.
Show HN: App.build, an open-source AI agent that builds full-stack apps
a year ago
- An open-source AI agent named app.build creates full-stack applications from scratch.
- Generated apps utilize Neon Postgres, Neon Auth, and upcoming Neon features.
- The tool is local-first, designed for developers, and fully open-source.
- Serves as a reference implementation for codegen products on the Neon platform.
- More details are available in the launch blog post.
Foam: A free Roam alternative for VSCode
a year ago
- Foam is a free, open-source personal knowledge management system built on Visual Studio Code and GitHub.
- It helps organize research, keep notes, write long-form content, and optionally publish it to the web.
- Features include graph visualization, wikilink support, autocompletion, navigation, embedding, and diagnostics.
- Supports hierarchical tags, journaling with daily notes, and custom templates for note creation.
- Foam ensures notes stay consistent by updating links to renamed files and supports files with the same name in multiple directories.
- Users can explore their knowledge base with commands like Open Random Note, Open Daily Note, and Show Graph.
- Foam is extensible, supports collaboration, and allows users to own and share their information freely.
- The project is under rapid development, with a high tolerance for alpha-grade software and contributions welcome.
- Foam is licensed under the MIT license and includes a contribution guide and code of conduct.
Show HN: Container Use for Agents
a year ago
- Container Use allows each coding agent to have its own containerized environment, enabling multiple agents to work independently.
- Features include isolated environments, real-time visibility, direct intervention, environment control, and universal compatibility.
- The project is open-source, MCP-compatible, and works with CLI tools like Claude Code and Cursor.
- Early development stage noted with potential rough edges but promises rapid iteration.
- Installation involves building and optionally installing the 'cu' binary into the $PATH.
- Setup requires adding MCP configuration for container-use and optional rules for containerized environments.
- Examples provided include creating simple apps, running parallel services, and security scanning.
- Agents' progress can be monitored in real-time using 'cu watch'.
Kagi Small Web
a year ago
- Kagi Small Web aims to humanize the internet by highlighting the 'small web'—lesser-known, personal blogs and posts.
- It surfaces content from genuine human voices, which can also appear in Kagi search results.
- Features include 'Next Post' for fresh content (last seven days), 'Appreciation' and 'Notes' for brief interactions, and 'Report/Add Site' for curation.
- The platform is open-source and operates without JavaScript.
Open Source Distilling
a year ago
- Open Source Distilling aims to create the first open-source software for home stills, blending tradition with modern technology.
- The project focuses on enhancing distilling with technology, like audible alarms for temperature adjustments, without removing the human element.
- The author has 15 years of homebrewing experience and 5 years in home distilling, inspired by automation in commercial stills like iStill and Geoni.
- Raspberry Pi is chosen as the project's brain for its affordability, built-in WiFi, and GPIO pins for connecting to high-quality breakout boards.
- The author distills in an apartment using a 2" Nixon-Stone reflux still and an AirStill modified for better control, producing vodka and experimenting with gin and brandy.
- The website will cover home distillation automation and other alcohol-related topics, with community involvement encouraged for testing and development.
- Future content includes YouTube videos on various subjects, with a call for community participation in the project.
Self-Host and Tech Independence: The Joy of Building Your Own
a year ago
- PewDiePie's exploration of Arch Linux and open-source projects inspired thoughts on tech independence and self-hosting.
- The importance of owning a domain and self-hosting for long-term digital presence and compounding benefits over time.
- Personal journey of self-hosting various services including a blog, second brain, book, subscriber list, and home server setup.
- The rewarding experience of overcoming initial technical challenges in self-hosting and the joy of using self-built services.
- Tech independence as advocated by Derek Sivers, emphasizing self-reliance and learning through self-hosting.
- The beauty and community aspect of open-source software, with examples of personal use and contributions.
- Linux's foundational role in the digital world and Linus Torvalds' impactful decision to keep it open-source.
- The benefits of sharing knowledge and code openly, fostering community and trust.
- A showcase of various open-source tools and self-hosted services used in personal tech stacks, highlighting gratitude towards their creators.
- The principle of learning through building and the independence gained from not relying on major tech companies.
LeCabot, a $135 open-source alternative to Spot by BostonDynamics
a year ago
- LeCabot is a mobile manipulator mod for the SO-100 robot arm and the Go2 robot dog, controlled with a Meta Quest via phosphobot.
- An open-source, low-cost alternative to Boston Dynamics' Spot.
- Components include Raspberry Pi 5, 12V battery, SO-100 mount, and various connectors.
- Assembly involves printing mounts, drilling holes, attaching components, and securing with zip ties.
- Power setup includes connecting 12V battery to SO-100 and Raspberry Pi via converters.
- Install phosphobot on Raspberry Pi and Meta Quest app for teleoperation.
- Connect to Unitree Go2 via phosphobot dashboard and start teleoperation with Meta Quest.
Show HN: An open-source rhythm dungeon crawler in 16 x 9 pixels
a year ago
- QRawl: Tiny Mass Disco is a 16x9 rhythm dungeon crawler created as part of the Tiny Mass Games project.
- The game was developed in a two-month cycle and is now open-source.
- The official web version is available at https://joshuagalecki.itch.io/qrawl-tiny-mass-disco.
- Designing a rhythm dungeon crawler involves understanding both rhythm mechanics and dungeon crawling elements.
- The Conductor class and rhythm game basics are inspired by fizzd's tutorial on A Dance of Ice and Fire.
- Crypt of the Necrodancer influenced the dungeon crawling aspects.
- Player input can be in eight states: None, Early, Okay, Good, Great, Late, Failed, Missed.
- A beat close-out signal is sent when 25% of the way to the next beat to finalize game logic.
- Time travel is used to handle late-but-valid player inputs by saving and reverting game states.
- The game cheats its 16x9 pixel restriction for credits and reveals a QR code dungeon upon winning.
- Future plans include a QR dungeon crawler that generates dungeons from any QR code.
- The project is licensed under the MIT license.
Show HN: I am making an app to rival "Everything"
a year ago
- Da Deep Search is a high-performance file exploration tool for Windows.
- It serves as a better alternative to the default Windows Search.
- Features include portable software, no admin privileges, and automatic updates.
- Supports wide file system compatibility and smart, ultra-fast threaded file search.
- Provides quick actions like file execution and detailed file information.
- Easy to use with LCtrl + Space shortcut to open/close the window.
- Cross-platform support for file systems like NTFS and FAT32.
- Open-source (version 2.1_2 and below) available for modification.
- Select drives to scan and type file names for instant search results.
The Danish Ministry of Digitalization Is Switching to Linux and LibreOffice
a year ago
- Digitalization Minister Caroline Stage (M) plans to phase out Microsoft in her ministry starting next month.
- Around half of the employees will transition to Libre Office from Office 365 within a month, with full open-source adoption expected by autumn.
- This move is part of a new four-year digitalization strategy prioritizing digital sovereignty for the first time.
- The strategy is agreed upon by the state, regions, and municipalities.
Mikeal Rogers has died
a year ago
- Mikeal Rogers, a key figure in the nodejs community and a close friend, has passed away from aggressive cancer.
- He was known for his technical brilliance, clarity, and deep humanity, emphasizing that code is a means for human connection and community.
- Mikeal believed open source was a promise to uplift others, demonstrated through his actions, whether in late-night debates or mentoring junior engineers.
- His philosophy combined vulnerability with rigor, and he valued shared laughter and empathy as much as technical polish.
- His legacy includes principles like curiosity without ego, generosity without limits, and community without gatekeepers.
- The author vows to honor Mikeal's memory by continuing to build inclusive spaces and upholding the values he lived by.
Xeneva Operating System
a year ago
- Xeneva is an operating system for x86_64 and ARM64 architectures with a hybrid kernel named 'Aurora'.
- The OS is open-source and encourages contributions in kernel development, drivers, graphics, and more.
- Features include ACPI support, multiprocessor support, USB3, audio server, networking, and a compositing window manager.
- Includes applications like Accent Player, File Browser, Calculator, and Xeneva Terminal.
- Built purely on Windows Environment; detailed build instructions are available.
Left-Pad (2024)
a year ago
- The left-pad incident occurred 8 years ago, a notable event mentioned in books.
- Decision to unpublish was made during self-reflection in nature, guided by the heart, not logic, anger, or greed.
- Principle: If NPM breaks its own rules to remove one package, they should remove all.
- Context involved Kik Messenger posturing and threatening the open source community, leading NPM to act against their own rules.
- NPM was afraid of losing Kik, not the author afraid of Kik's threats.
- Misunderstood narrative: Not an angry protest but standing ground under pressure.
- NPM had time to adjust APIs but chose to provide a script to remove all packages at once, showing condescension towards developers.
- Author's 350+ Unix philosophy packages seemed unused due to lack of stats, but impact was unknown.
- After left-pad, the author quit their job, left the US, traveled, and shifted passion from open-source to business and marketing.
- Left-pad was a 'death' and 're-birth' moment, leading to new passions while life moves on.
DeskHog, an open-source developer toy
a year ago
- DeskHog is an open-source, 3D printed, palm-sized developer toy.
- Features include a 240x135 color TFT display, 10-hour battery life, WiFi, and an LED.
- Comes with an ESP32-S3 processor, 4MB Flash, and 2MB PSRAM.
- Includes an I²C expansion port for additional hardware.
- Pre-loaded games: Pog, IdleHog, One Button Dungeon, Dictator or Techbro, Notchagotchi, Hogspeed.
- DIY version available now; full kits coming soon.
- Can pull insights from PostHog projects via a captive portal.
- Future plans include DeskHog Pro with more buttons and a dial, and possibly a watch strap.
The Common Pile v0.1: An 8TB dataset of public domain and openly licensed text
a year ago
- The Common Pile v0.1 is an 8TB dataset of openly licensed text for LLM pretraining.
- It addresses ethical concerns by avoiding unlicensed text, unlike many existing LLM training datasets.
- The dataset includes diverse content from 30 sources like research papers, books, and educational materials.
- Two 7B parameter LLMs (Comma v0.1-1T and Comma v0.1-2T) were trained on the dataset, showing competitive performance.
- The release includes the dataset, creation code, training mixtures, and model checkpoints.
iPhone 11 emulation done in QEMU
a year ago
- QEMU is an open-source machine and userspace emulator and virtualizer.
- It can emulate a complete machine in software without hardware virtualization support, achieving good performance through dynamic translation.
- QEMU integrates with Xen and KVM hypervisors for near-native CPU performance.
- It supports userspace API virtualization for Linux and BSD, allowing binaries compiled for one architecture to run on another.
- QEMU is versatile, usable directly by users or integrated into higher-level management layers like libvirt.
- Released under GNU GPL v2, QEMU is multi-platform, buildable on Linux, OS-X, Win32, and other UNIX systems.
- Documentation is available online, with current development docs generated from the source tree.
- QEMU's source code is maintained under Git, with patches submitted via mailing lists following specific guidelines.
- The project uses GitLab for bug tracking and encourages reporting bugs affecting upstream code via GitLab.
- Community engagement is supported through email, IRC (#qemu on irc.oftc.net), and other methods listed on the QEMU website.
jemalloc Postmortem
a year ago
- jemalloc was conceived in 2004 and has been publicly used for about 20 years.
- Originally part of the Lyken programming language, jemalloc was integrated into FreeBSD in 2005.
- Early versions of jemalloc had fragmentation issues, leading to significant redesigns.
- Mozilla Firefox 3's memory issues led to jemalloc's porting to Linux and Windows.
- Facebook's adoption of jemalloc highlighted the need for better instrumentation and profiling.
- jemalloc saw major updates, including testing infrastructure and Valgrind support in versions 3.0.0 and 4.x.
- Controversially, Valgrind support was removed in version 5.0.0, leading to backlash from the Rust community.
- Facebook's internal telemetry greatly benefited jemalloc's development, improving performance and resilience.
- Meta's shift in priorities led to reduced investment in jemalloc, stalling long-term development.
- The author considers upstream jemalloc development concluded, with potential for community forks.
OxCaml - a set of extensions to the OCaml programming language.
a year ago
- OxCaml aims to enhance OCaml for performance engineering with safe, convenient, and predictable control.
- Extensions focus on fearless concurrency, memory layout control, allocation management, and quality-of-life improvements.
- OxCaml maintains OCaml compatibility, ensuring all valid OCaml programs work in OxCaml.
- The project is open-source, targeting experimental users and researchers for feedback.
- Includes modified OCaml tooling for package management, editor integration, and documentation.
- Jane Street releases libraries in both OCaml and OxCaml versions, with some exclusive to OxCaml due to non-erasable extensions.
Show HN: Tidalbase – Pair programming platform for solo devs and open source
a year ago
- Join open-source or private repositories to collaborate or share your own project to find partners.
- Flagsmith is an open-source feature flagging service with self-hosting options.
- Langflow is a tool for building AI-powered agents and workflows.
- Pair programming sessions are available with smart auto-matching based on tech stack and interests.
- Sessions last one hour, with roles assigned as driver and collaborator.
- Dual credit commits allow both participants to be listed as authors.
- Participants can join multiple sessions with no limits.
- Repository metadata is used for matching, but no code or sensitive data is stored.
- Code created during sessions belongs to the repository owner.
- Required IDE plugins include Live Share for VS Code and Code With Me for JetBrains IDEs.
- Pair programming offers real-time problem-solving, feedback, and networking opportunities.
- Tidalbase enforces a respectful and inclusive community policy.

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#open-source

Doubling Down on Open Source

Show HN: App.build, an open-source AI agent that builds full-stack apps

Foam: A free Roam alternative for VSCode

Show HN: Container Use for Agents

Kagi Small Web

Open Source Distilling

Self-Host and Tech Independence: The Joy of Building Your Own

LeCabot, a $135 open-source alternative to Spot by BostonDynamics

Show HN: An open-source rhythm dungeon crawler in 16 x 9 pixels

Show HN: I am making an app to rival "Everything"

The Danish Ministry of Digitalization Is Switching to Linux and LibreOffice

Mikeal Rogers has died

Xeneva Operating System

Left-Pad (2024)

DeskHog, an open-source developer toy

The Common Pile v0.1: An 8TB dataset of public domain and openly licensed text

iPhone 11 emulation done in QEMU

jemalloc Postmortem

OxCaml - a set of extensions to the OCaml programming language.

Show HN: Tidalbase – Pair programming platform for solo devs and open source