Show HN

Ollaya is a project being discussed on Hacker News, described as 'Ollama for open-source, Jev-style decision models'. The framing suggests a tool that makes decision-making models as easy to run locally as Ollama made large language models, though the single post title gives little detail. With 537 likes and a high rank, commenters appear interested in the analogy to Ollama, but the posts collected do not explain what the tool actually does or why it is generating attention.

A developer has released a free API testing tool positioned as a zero-setup alternative to the popular security testing platforms Burp Suite and Caido. The project, called Apiaxess, is being shared on Hacker News and is drawing attention from the security and developer community. Commenters are likely weighing its ease of use against established tools that require more configuration.

A developer has released NSL, a new open-source tool described as WSL for Linux, aiming to bring Windows Subsystem for Linux-style convenience to Linux users. The project is hosted on GitHub and shared via a project page. Discussion so far centres on what exactly it does and how it compares to WSL, with early reactions mixed but curious.

A developer has launched an old-school forum running on an open protocol, where each user's identity is a cryptographic keypair rather than a username held by a central company. The project, presented on Nostr, is drawing attention among Hacker News readers interested in decentralized social media and self-owned identities. Discussion is centring on whether classic forum formats can work without a central authority controlling accounts.

A new app called Lathoa is being introduced that teaches math to children by having its AI deliberately make mistakes for kids to catch. The idea is that spotting errors is a more engaging way to learn than passively receiving correct answers. Early reaction is focusing on whether this 'wrong on purpose' approach genuinely helps children build confidence and critical thinking in math.

A group of former Postmark employees has launched Helo, a new email API for developers. The launch was shared on Hacker News under a Show HN post, where users are weighing in on the product's features and how it compares to established transactional email services.

A new tool called Breadcrumb has been launched on Hacker News, offering Mac users a way to record everything happening on their screen and turn it into a context manager for AI assistants. The product, built by Innerloop, is aimed at giving AI tools better memory of user activity. Early engagement on the launch has been positive, with developers debating the usefulness and privacy implications of always-on recording.

A tool called Strata is being introduced as an expressive semantic layer designed to work alongside large language models, with the ability to reject queries that fall outside its defined data model. The pitch has drawn attention for framing refusal as a feature, positioning it as a guardrail for AI-driven data analysis.

A developer has released Corral, an open-source tool designed to kill every command started by an AI coding agent, giving users a way to contain runaway processes. The project was shared on Hacker News and drew early attention from the community. Discussion is focused on controlling what autonomous agents are allowed to execute on a machine.

A developer has released a command-line tool that compresses tokens before they are sent to AI coding services like OpenAI's Codex and Astra, aiming to reduce API billing costs. The tool is being shared on Hacker News under the Show HN banner, where users discuss whether token compression can preserve output quality while lowering spend.

A developer has released Rhun, an open-source code editor written entirely in assembly language, sharing it with the Hacker News community. The project is drawing attention for its unusual technical approach, as most modern editors are built with higher-level languages. Commenters are likely debating the practicality and performance benefits of assembly-based tooling.

A developer has released Sarala, an open-source editor that combines WYSIWYG editing with Markdown. Users write in a rich-text interface while the tool handles Markdown formatting underneath, aiming to remove the friction of writing syntax by hand. The project is being shared with the developer community for feedback, and early discussion centers on its usefulness for writers who want visual editing without giving up plain-text portability.

A new interactive diesel price forecaster has been released, letting users explore projections for diesel prices, which remain high and could climb further. The tool comes amid ongoing concern about fuel costs, with diesel prices tied to global supply pressures including the war in Ukraine. Early reactions are focused on the accuracy of the model and what it implies for transport and consumer costs going into 2026.

A developer has launched Viamour, an app that uses AI agents to engineer social connections around travel, sharing it on Hacker News for feedback. The 'Show HN' post describes a product combining matchmaking-style social features with trip planning, and is drawing modest early engagement from the tech community as commenters weigh in on the concept.

A developer has introduced the Durable Actor Session Protocol, a proposed standard for maintaining reliable, long-lived sessions between software actors. The project was shared on Hacker News, where it drew modest attention, with commenters weighing in on its design and potential use for building resilient distributed systems.

Kanmaps, a new tool that visualises product roadmaps as branching skill trees inspired by videogames, has been launched on Hacker News. The approach maps features and initiatives onto interconnected nodes that unlock over time, replacing the traditional linear timeline. Early reactions on the site are mixed but curious, with commenters weighing whether the format makes planning more intuitive or adds needless complexity for teams used to standard roadmapping tools.

A developer has released Mahout, an open-source tool that runs entirely on Android devices and combines the workflow automation of N8N with the phone-control capabilities of Tasker, adding AI features on top. The project was shared on Hacker News and is drawing attention from the mobile and automation community for bringing these capabilities together locally without cloud dependency.

Datastory, a new tool combining AI-generated data storytelling with an open knowledge graph, has been launched publicly. The launch was shared with the Hacker News community, where it drew modest early engagement. The project positions itself at the intersection of automated narrative generation and open, structured data, letting users turn datasets into explainable stories.

A developer has released CodeDiff, an open-source code diffing tool that claims to compare code in under 100 milliseconds with 99.95 percent robustness by using syntax-aware analysis rather than plain text comparison. The project is available on GitHub, and discussion is focused on how well it handles large or messy codebases compared with standard diff tools.

Developer sshah03 has released Perspica, an open-source tool that produces semantic diffs of code, aiming to help reviewers understand the meaning of changes rather than just line-by-line edits. The project is available on GitHub and is being discussed by developers interested in whether semantic-level comparison can make code review faster and more reliable.

A new tool called Layout is being introduced on Hacker News, promising to let users order food anywhere using AI. The product, from developer Cole Morell, was shared as a Show HN launch and is drawing modest early attention from the community.

A developer has released Wn, an open-source tool that predicts which files in a codebase are likely affected by a bug. The model was trained on 1.1 million real bug fixes, aiming to help engineers locate and fix defects faster. It was shared on Hacker News, where early reactions are just starting to come in.

A Hacker News post presents a project that trains a machine-learning model to detect AI-generated web content using only structural signals of pages, such as layout and markup patterns, rather than the text itself. The post links to an arXiv paper describing the approach. Commenters in the thread are discussing the method, its accuracy, and what it means for identifying machine-written material online, though details of the discussion are limited to the post itself.

A developer has launched Rhun, an open-source code editor written entirely in assembly language, sharing it with the tech community. The project is notable for its unusual choice of low-level programming, which promises speed and minimal resource use but makes development far harder than with mainstream languages. Reactions so far are limited, with early interest typical of small experimental projects.

A developer has introduced a BGP-based blackhole system designed to let network operators null-route traffic under attack within minutes of setup. The tool, shared on Hacker News, is drawing attention from engineers interested in simpler DDoS mitigation options. Commenters are likely weighing its practicality against established providers and the risks of advertising blackhole routes.

A new project called Jevstiller is being shared, offering a way to distill 'Jev' into a locally run language model with a disagreement bound. According to its landing page, the tool publishes a guarantee around how much the distilled model is allowed to disagree with the original. Readers are debating what the guarantee means and how useful the approach is.

Developer Ajo has launched Strata, a semantic layer designed to give large language models structured, governed access to business data. He says his four years at Netflix working on self-service analytics for non-technical users shaped the product's distinctive design. A notable feature is that Strata can refuse LLM requests that violate its semantic rules, aiming to keep AI-driven data queries accurate and safe.