@leaningtech

We make All The Things run in the browser using WebAssembly. Makers of BrowserPod, #Cheerp (C++), #CheerpJ (Java), and #CheerpX (x86, Flash, https://xitter.cf/t.co/y5nG2IekPz).

 Leeds, UK and Amsterdam, NL
labs.leaningtech.com/
Joined October 2013
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Leaning Technologies retweeted
Alessandro Pignotti
@alexpignottiOct 26
Today we launch BrowserCode, a full dev environment in a browser tab. Share running projects instantly and experiment with agents in a isolated, safe playground. What makes BrowserCode different? No account is required, and it's completely free. labs.leaningtech.com/blog/an…

BrowserCode: a browser-based coding playground, powered by WebAssembly

BrowserCode is a free, open source, fully client-side coding playground. Open a tab, pick a template, clone a repo or pick an agent and start building. No account, no installs, no servers, no setup.

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✨ Company Update - New Blog Post: In case you missed it, last week we published a new blog post all about the experience of the summer interns. Check it out here: labs.leaningtech.com/blog/in… 😄

Inside our internship program, Summer 2026 Edition

Our interns reflect on their 6 month internships at Leaning Technologies

labs.leaningtech.com
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🫛 BrowserPod - V3.4.0: This update adds `pnpm` and `fd` to the default image and improves networking robustness and terminal input handling 🎉
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☕ CheerpJ - WasmGC Support: Progress on JIT compilation, with simple functions now being compiled.
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☕ CheerpJ - JNLP Runner: We have new guides on debugging the extension and uploading and downloading files, which can be found here: labs.leaningtech.com/docs/ch….

Guides - CheerpJ JNLP Runner Documentation

Run Java Web Start Applications without a Java Desktop installation.

labs.leaningtech.com
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DevLog / Week 41 - 2026 🚀 Bringing the latest news from our dev team (thread)
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🫛 BrowserPod - Fix: Resolved corruption issues affecting `pnpm` and Vite.
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⚙️ CheerpX - 64-bit Support: A "hello world" program now runs successfully and exits cleanly.
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☕ CheerpJ - Java 25: We have a new loader: cjrtnc.leaningtech.com/20261… supporting instance `main` methods.
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☕ CheerpJ - JNLP Runner: Added CheerpOS socket function proxies to work with the new DNS mapping.
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☕ CheerpJ - WasmGC Support: Performance objective reached for interpreter-only mode and Swing "hello world".
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DevLog / Week 40 - 2026 🚀 Bringing the latest news from our dev team (thread)
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🫛 BrowserPod - Yarn: Fixed various issues affecting Yarn.
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🫛 BrowserPod - Progress: Improved performance of waitAsync.
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🫛 BrowserPod - Progress: Increased robustness to virtual memory exhaustion caused by Wasm Memory resizing.
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☕ CheerpJ - WasmGC Support: Swing "hello world" working with the new interpreter approach.
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☕ CheerpJ - JDK 25 Support: The SwingSet3 graphical example is now starting, with FlatLaf work beginning.
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DevLog / Week 38 - 2026 🚀 Bringing the latest news from our dev team. Just a few updates this time! (thread)
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✨ Company Update - Amsterdam Internships: Thanks for all the applications! We are reviewing and beginning to contact all candidates.
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🫛 BrowserPod - Newest Release: V3.1.0 is now out, including support for running scripts directly as executables and Node support for command line arguments and custom loaders 🚀
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