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 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 new open-source tool for routing requests across AI models in coding agents is being presented as matching Astra-level performance. It lets coding agents pick the best model for each task instead of relying on a single provider, cutting cost while keeping output quality. Developers are weighing the performance claims and discussing how it compares with existing routing options.

A developer has released NSL, an open-source tool described as 'WSL for Linux', aiming to give Linux users the kind of streamlined Windows Subsystem for Linux experience in reverse. The project page and launch discussion are drawing attention from developers curious about how it works and whether it fills a real gap in cross-platform development tooling.

A developer has released a free tool for API testing, positioning it as a zero-setup alternative to the widely used security testing platforms Burp Suite and Caido. The launch is drawing attention on Hacker News, where commenters are weighing whether an out-of-the-box option can compete with established tools favoured by penetration testers.

Lathoa, a math app for children, has launched with an unusual premise: its AI tutor gives wrong answers on purpose, so kids have to spot and correct the mistakes themselves. The app is being discussed on Hacker News, where commenters are weighing whether deliberately fallible AI is a clever learning tool or a confusing gimmick for young students.

A team of former Postmark employees has launched Helo, a new email API for developers, presenting it on Hacker News where it is drawing attention. The service targets transactional email sending, an area Postmark was known for, and commenters are weighing in on how it compares with existing email delivery platforms.

Breadcrumb, a new tool from Innerloop, launched on Hacker News. It continuously records activity on a Mac and works as a context manager for AI assistants, letting them draw on what the user has done on screen. Early commenters are weighing in on the privacy implications and usefulness of total screen recording.

A developer has released Parrot, an open-source smart meeting recorder for Mac that includes an AI co-pilot to assist during meetings. The tool was shared with the Hacker News community, where it drew modest early engagement. As an open-source alternative in the growing AI meeting-assistant market, it invites discussion about privacy, local processing, and how such tools compare with commercial options like Otter or Zoom's built-in features.

Developers on Hacker News are discussing Strata, a new semantic layer designed to work alongside large language models. Its distinguishing feature is the ability to refuse requests that fall outside its defined semantics, rather than letting an LLM improvise answers. The launch has drawn attention for addressing a common concern about LLM reliability in data tooling.

A developer has released Corral, an open-source tool on GitHub that can kill every command started by an AI coding agent, giving users a way to stop runaway processes spawned by agents like automated coding assistants. The project was shared on Hacker News and drew attention from developers interested in safer agent workflows.

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 developer has released a command-line tool that compresses tokens before sending prompts to AI coding assistants such as Codex and Astra, aiming to reduce API costs. Early responses on Hacker News are modest but positive, with users weighing how much compression can realistically save without degrading model output quality.

A developer has released Yantra, an LALR(1) parser generator written for C++, sharing it with the Hacker News community and hosting the source on GitHub. The project is aimed at programmers building compilers or interpreters who need deterministic grammar parsing in C++. Early engagement suggests interest from the developer community in tools for parsing and language tooling.

A new interactive tool forecasting diesel prices has been launched, letting users explore where diesel costs may head next. The release comes as diesel prices remain elevated, with the accompanying write-up arguing that prices could climb further. Readers are weighing in on the model's assumptions and the outlook for fuel costs going into 2026.

A developer has released Rhun, an open-source code editor written in assembly language, sharing it with the Hacker News community. The project is notable for taking an unusually low-level approach to what is typically built with higher-level languages. Commenters are likely debating the practicality and performance trade-offs of assembly-based tooling.

A new app called Viamour is being introduced to early adopters, combining social connections with travel planning through AI agents. The project pitches itself as 'agentic engineered social connections and travel', suggesting the software uses autonomous agents to help users meet people and organise trips. Reaction so far is limited, with modest engagement as the developer shares the launch directly with the community.

A developer has published the Durable Actor Session Protocol, an open specification for keeping actor-based session state consistent across failures and restarts in distributed systems. The project was shared on Hacker News, where it drew modest attention from engineers interested in distributed computing. Details are on the project's site, which includes its specification and documentation.

A new tool called Kanmaps is being introduced that lets teams visualise product roadmaps as videogame-style skill trees, with features branching and unlocking like abilities in a game. The launch is drawing attention for its unusual framing of planning software, with early readers debating whether the gaming metaphor makes roadmaps clearer or is just a gimmick.

A new tool called Kasora lets people simulate their personal finances month by month directly in the browser, with no account creation required. The maker shared the launch with the Hacker News community, inviting feedback on the free planning tool. Early engagement is small, but privacy-minded tools that avoid sign-up friction tend to draw attention among developers and personal finance enthusiasts.

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.

A new tool called Datastory has been launched, combining AI-driven data storytelling with an open knowledge graph. The product, available at datastory.tech, aims to help users turn raw data into narrative insights. Early reaction on Hacker News has been modest so far, with a handful of upvotes as commenters take a first look.

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 new service called Layout has launched, promising to let users order food anywhere using artificial intelligence. The tool was shared with the Hacker News community and is drawing early attention from developers and tech enthusiasts. The founder is presenting it as a way to streamline the food ordering experience across different platforms and locations.

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.

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 developer has released CodeDiff, an open-source code diff tool that produces syntax-aware comparisons in under 100 milliseconds with a claimed 99.95% robustness rate. The project, shared on Hacker News as a Show HN submission, is available on GitHub. Early reactions are limited so far, with a small number of upvotes, as the programming community evaluates whether it improves on existing diff utilities.