DuckDB Internals: Why is DuckDB Fast? Great long read about in-process execution, arrow, optimizers and more. www.greybeam.ai/blog/duckdb-...

DuckDB Internals: Why is DuckDB Fast?

Walk through DuckDB's internals: how it skips serialization overhead, parses and optimizes SQL, and stores data in columnar row groups with zone maps.

greybeam.ai

slaide - a plaintext slide language mixes markdown + others for text, yaml for theming and master slides configuration, MCP server and agent skill. More than a pure markdown presentation, without the complexity of pptx to support agents. getslaide.com

Slaide - slides that AI can actually write

Slaide is a plain-text slide language AI agents write flawlessly. One .slaide file - Markdown plus a small YAML theme - renders to a navigable web deck and a high-fidelity PDF. Open source,…

getslaide.com

tuicr - Code review in your terminal vim keybindings, comments, GH pull request sync, integration into agents via tmux. Put on my testing list. tuicr.dev

elastic/cli - Interact with Elasticsearch, Elastic Serverless and Elastic Cloud APIs from the command line The usual hint: put your infrastructure in versioning, and have these kind of tools just for prototyping when it comes to starting/stopping services. github.com/elastic/cli

GitHub - elastic/cli: Interact with Elasticsearch, Elastic Serverless and Elastic Cloud APIs from the command line

Interact with Elasticsearch, Elastic Serverless and Elastic Cloud APIs from the command line - elastic/cli

github.com

awesome-parquet: Useful resources for using the Parquet format so many CLI, TUI or web tools. Parquet might already be one of the longest living file formats and I think it still has a long lifetime in front of it. github.com/severo/aweso...

GitHub - severo/awesome-parquet: Useful resources for using the Parquet format

Useful resources for using the Parquet format. Contribute to severo/awesome-parquet development by creating an account on GitHub.

github.com

CLI to manage emails One of the best side effects of all these agentic workflows is learning about the existence of so many CLI tools, allowing easy mail search across providers. Also provides an MCP server. github.com/pimalaya/him...

GitHub - pimalaya/himalaya: CLI to manage emails

CLI to manage emails. Contribute to pimalaya/himalaya development by creating an account on GitHub.

github.com

Lightpanda: the headless browser designed for AI and automation Written in Zig, with a much lower footprint than headless chrome, has its own scripting to replay sessions. github.com/lightpanda-i...

GitHub - lightpanda-io/browser: Lightpanda: the headless browser designed for AI and automation

Lightpanda: the headless browser designed for AI and automation - lightpanda-io/browser

github.com

Watching Go's new garbage collector move through the heap Shows fragmentation and recovery of memory using the new tea GC. theconsensus.dev/p/2026/07/19...

ferrovec - in-browser vector store Written in Rust, compiled to WASM. TIL there is a sandboxed filesystem named OPFS within the browser allowing to store files. Smart to offload compute to edge devices, when you consider bandwidth cheap. singhpratech.github.io/ferrovec/

ferrovec — the in-browser vector store that remembers

Other browser vector libs are in-memory — they rebuild on every reload. ferrovec persists to OPFS and stays consistent across tabs. Rust→WASM HNSW, private, offline.

singhpratech.github.io

Open Source Alternatives to Popular Software Didn't know this one. Comprehensive list of open alternatives for software. openalternative.co

Open Source Alternatives to Popular Software

A curated collection of the best open source alternatives to everyday SaaS products. Save money with reliable tools hand-picked for you.

openalternative.co

Pattern Matching on Compressed Strings without Decompression Interesting, this is used in the vortex file format to reduce decompression work for pattern matching. There is also a follow-up blog post. spiraldb.com/blog/pattern...

Pattern Matching on Compressed Strings without Decompression

Evaluating SQL LIKE directly on FSST-compressed strings: a symbol-aware automaton and a SIMD prefilter let Vortex match without decompressing the column first.

spiraldb.com

The Hidden CCS2 Attack Surface on EV Chargers Wow, open SSH with user root and password root, year old software, no proper interface binding. Zero security. www.saiflow.com/blog/the-hid...

The Hidden CCS2 Attack Surface on EV Chargers

The EV charging industry has well-established security standards. OCPP provides clear guidelines for securing the communication channel between EV Chargers and the Charging Station Management System.…

saiflow.com

How we cut Flink OOMKills by 91.2% The joy of native memory and the neverending fight of properly using cgroup container data. developer.confluent.io/blog/flink-o...

How we cut Flink OOMKills by 91.2%: Zombie block cache, phantom CPUs (and some bonus AI Learnings)

How we traced a native-memory leak in Flink's RocksDB block cache and a jemalloc fragmentation bug, cutting OOMKilled Task Managers by 91.2% — plus what running the investigation with Claude taught…

developer.confluent.io

Chatto - an open source teams chat/slack replacement Self hosted version freshly available, cloud hosting is planned, single binary, uses NATS, Livekit, Caddy. docs.chatto.run

Chatto Self-Hosting Documentation

A real-time chat application built for simplicity and scalability.

docs.chatto.run

200 Milliseconds - an interactive visualization how data travels from a click to a backend Long read, but well spent time to get the basics right and explains things. 200ms.thenodebook.com

An interactive visualization that follows a single HTTP request through its entire ~200ms life — DNS, TCP, TLS, the kernel, Node's event loop, Postgres, and back

Scroll through the complete life of one HTTP request in real time — from a click in a coffee shop through DNS, TCP, TLS, the kernel, Node's event loop, and Postgres, back to the pixel. Time only…

200ms.thenodebook.com

whatcable - osx menu bar app explains capabilities of each USB-C cable plugged in nice & small utility, given that I have cables from decade old systems lying around, probably very helpful github.com/darrylmorley...

GitHub - darrylmorley/whatcable: macOS menu bar app that tells you, in plain English, what each USB-C cable plugged into your Mac can actually do

macOS menu bar app that tells you, in plain English, what each USB-C cable plugged into your Mac can actually do - darrylmorley/whatcable

github.com

GitLost: How We Tricked GitHub’s AI Agent into Leaking Private Repos we will see so many interesting new attack vectors (everyone's using AI for calendar mgmt, amirite), that will leak whatever the agent has access to. noma.security/blog/gitlost...

GitLost: How We Tricked GitHub’s AI Agent into Leaking Private Repos - Noma Security

TL;DR: Noma Labs discovered a critical prompt injection vulnerability within GitHub’s new Agentic Workflows, allowing an unauthenticated attacker to silently pull data from private repositories by…

noma.security

Someone forked the OpenJDK to bring back and advance the Java Security Manager I'm not at all sure forking the JDK is the right step. But I guess regulated industries might have funny[tm] rules, that this is easier than an agent? github.com/pfirmstone/D...

GitHub - pfirmstone/DirtyChai: OpenJDK Fork with a modernised authorization framework.

OpenJDK Fork with a modernised authorization framework. - pfirmstone/DirtyChai

github.com

Anubis - Weigh the soul of incoming HTTP requests to protect your website! A web AI firewall utility, providing a challenge to clients. Burn some CPU to waste less compute in total against scrapers... anubis.techaro.lol

Tabularis is an open-source desktop SQL workspace for PostgreSQL, MySQL/MariaDB, SQLite and 13+ more databases, built-in MCP server Elasticsearch connector is marked as planned. tabularis.dev

Tabularis | Open-Source Desktop Client for Modern Databases

Open-source desktop database client with support for PostgreSQL, MySQL/MariaDB, and SQLite. Hackable with plugins, with notebooks, AI, and MCP built in.

tabularis.dev

Paper of the day: Puffin-Backed Vector Indexes: Attaching Approximate Nearest Neighbor Indexes to Apache Iceberg Snapshots for Compute-Disaggregated Query Engines arxiv.org/html/2606.04...

Puffin-Backed Vector Indexes: Attaching Approximate Nearest Neighbor Indexes to Apache Iceberg Snapshots for Compute-Disaggregated Query Engines

Content selection saved. Describe the issue below:

arxiv.org

The metrics trap - analysis paralysis for product managers "You can insist on measuring behaviour before making product decisions, but then you risk getting bogged down in complex workflows, getting too little data, and not making a decision." hilton.org.uk/blog/analysi...

The metrics trap

analysis paralysis for product managers

hilton.org.uk

A few weeks ago I was complaining about the lack of barcamps in central/northern Germany. Turns out there is the DevConf NRW barcamp in Düsseldorf from 11th to 13th September. I think I'm ready for another barcamp. Anyone joining? devconf.nrw/barcamp

DevConf.NRW

Die Entwicklerkonferenz für NRW

devconf.nrw

LeafWiki - Self-hosted wiki. Single Go binary, SQLite, Markdown on disk. No external database required I am currently testing silverbullet for personal use, but maybe this is interesting as well. github.com/perber/leafw...

GitHub - perber/leafwiki: LeafWiki - Self-hosted wiki. Single Go binary, SQLite, Markdown on disk. No external database required.

LeafWiki - Self-hosted wiki. Single Go binary, SQLite, Markdown on disk. No external database required. - perber/leafwiki

github.com

Rewriting Bun in Rust Changing the underlying programming language in a minor release, wild. Long read, but rather informative. Bugs or their absence will be a told-you-so moment for either side I guess. bun.com/blog/bun-in-...

Rewriting Bun in Rust

Why & how we rewrote Bun from Zig to Rust

bun.com

hunk - Review-first terminal diff viewer for agentic coders interesting to see a diff tool targeted at agents, but also makes sense to make them smarter than grep, rg and sed when comparing commits. Maybe also useful for humans... github.com/modem-dev/hunk

GitHub - modem-dev/hunk: Review-first terminal diff viewer for agentic coders

Review-first terminal diff viewer for agentic coders - modem-dev/hunk

github.com

Need an indication about the industry changing? Take a look at the top 10 selling books from Manning Not a single programming language book, not a single distributed systems book, not a single testing book. Everything is AI, models, LLMs, SLMs, vibe coding, context engineering. www.manning.com

Manning Publications

Manning is an independent publisher of computer books, videos, and courses.

manning.com

Building Gin: Simple Over Easy Nice post describing why Gin was built while other Go web frameworks already existed, coming with a great visualization of a radix tree for used in the URL router. manualmeida.dev/articles/gin...

Building Gin: Simple Over Easy — Manu Martínez-Almeida

A stalled startup in 2014 became Gin: a Go web framework shaped by simple-over-easy design, a radix-tree router, and an API that still works ten years later.

manualmeida.dev

Paper of the day: Active Data Lakes: Regaining Physical Data Independence Without Losing Interoperability Adding a translation layer to offer parquet reads, but using optimized native formats below in your system, allowing to keep BWC while using newer formats. www.cs.cit.tum.de/fileadmin/w0...

Omnigent - a meta harness for running AI agents One thing I am missing with the CLI based agents is the ability to comment directly on a piece of code for a change, so having a CLI & desktop/web integration like this one makes sense for me. Curious about other people's workflows here. omnigent.ai

Omnigent — a meta-harness for building and running AI agents

Omnigent is an open-source meta-harness: a common layer for composing, governing, and collaborating on AI agents — coding and otherwise — on top of the harnesses you already use.

omnigent.ai