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Rasmus Andersson
Swedish designer and programmer. Designed early Spotify, worked at Facebook and Figma, and created the Inter typeface.
Rasmus Andersson did not write this page. ppll compiled it from their own words, each linked to the source. Is this you? · Report a mistake
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What they believe
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Most programming languages in use today derive from Fortran or Lisp, both created in the 1950s.
Pretty much any programming language used today is a derivative of Fortran or Lisp, both born in the 1950s.
rsms.meSaid 1 Jan 2013This on korrents
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Register-based virtual machines can run faster than stack-based virtual machines despite needing larger instruction encodings.
Register-based virtual machines avoid the push and pop operations usually surrounding other instructions, reducing code size, but in several cases also increases speed of execution (compared to stack-based virtual machines).
rsms.meSaid 14 Oct 2012This on korrents
The bold line is korrents’ wording; the quote is theirs. These 2: what they wrote before what they said aloud, one per source, newest first.
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Beliefs
Korrents What they believe 5 beliefs — each backed by an exact quote.
Each is a — compiled by korrents.com, not by them: the one-line wordings are korrents', the quotes are theirs.
Recent
Most programming languages in use today derive from Fortran or Lisp, both created in the 1950s.
Pretty much any programming language used today is a derivative of Fortran or Lisp, both born in the 1950s.
The 1950s called and wanted their toolbox back Said 1 Jan 2013
Programming today still relies on one-dimensional, sequential plain text, largely unchanged from decades ago.
professional and hobbyist programmers alike all use the same tools as we did 60 years ago - one-dimensional, sequential plain text.
The 1950s called and wanted their toolbox back Said 1 Jan 2013
Programming needs a fundamental reinvention beyond text-based coding, comparable to the 1950s shift from physical controls to textual commands.
The field of programming need to see a renaissance in fundamental reinvention, just as it did in the 1950s when programming machines using levers and buttons was replaced by programming machines using textual sequences of computer commands.
The 1950s called and wanted their toolbox back Said 1 Jan 2013
Show 2 more
Register-based virtual machines can run faster than stack-based virtual machines despite needing larger instruction encodings.
Register-based virtual machines avoid the push and pop operations usually surrounding other instructions, reducing code size, but in several cases also increases speed of execution (compared to stack-based virtual machines).
Sol — a sunny little virtual machine Said 14 Oct 2012
Cooperative multitasking suits coherent, specialized systems better than general-purpose operating systems.
These systems often benefit from cooperative multitasking, in particular coherent, specialized systems (unlike operating systems which are general by nature).
Sol — a sunny little virtual machine Said 14 Oct 2012
What is a korrent?
A korrent is a belief a person has stated in their own words: one sentence stating the claim, backed by a quote and a source, kept at korrents.com.
Under a name here, the quoted block is what they actually said. The korrent beneath it is the claim those words support, in korrents' wording — tap it to see the record, its source, and who else holds it.
Nobody here wrote their own korrents. They are compiled from public statements, and a person can change their mind, which is recorded too.
Recommends rcmnd
rcmnd What they recommend 8 things — each backed by an exact quote.
Compiled by rcmnd.app, not by them: the quotes are theirs, and each links to the post it was copied from.
Recent
Uses MacBook Pro
I try to minimize the number of things in my life, thus I have one MacBook Pro 15", one iPhone 4 and an iPad which I should probably sell or give away (since I don't really use it).
usesthis.com 3 Apr 2011
Loved GitHub
GitHub is an amazing place, product and breeding ground for ideas revolving around software development, created by the ever so humble Chris Wanstrath (and Tom Preston-Werner).
usesthis.com 3 Apr 2011
Liked TextMate
TextMate has been my companion in all weathers during many years, but when I quit Spotify to join Facebook and had a long vacation in between, I decided to put some effort into writing a "better" programmer's text editor which I call Kod, released in December 2010.
usesthis.com 3 Apr 2011
Show 5 more
Uses TotalFinder
Other peripheral stuff I use include Droplr for sharing screenshots, MenuMeters for understanding "why the hell is my computer suddenly slow?", TotalFinder which provides tabbed Finder windows and a bunch of less visual stuff related to the shell.
usesthis.com 3 Apr 2011
Uses Spotlight
I try to live with what's already there, like using Spotlight instead of Alfred or Quicksilver which surely have more features, but are new tools to learn and master.
usesthis.com 3 Apr 2011
Uses Dropbox
My ~/Documents are managed by Dropbox so I never need to worry when my computer gets stolen.
usesthis.com 3 Apr 2011
Liked Logitech MX 400
When in need to do precision work (pixel-precision stuff), I employ my super secret weapon: a simple and wired Logitech MX 400 mouse.
usesthis.com 3 Apr 2011
Loved Leica M9
Namely an M9, M8, M6 and a 500C/M. These amazing creations are the result of over 50 years of craftsmanship, love and a need for functional tools.
usesthis.com 3 Apr 2011
Where they publish
Site rsms.me His personal site: writing, the Inter typeface and side projects.
Link verified 5 Sept 2026.
x.com @rsms
Recent
- I made a thing last night together with Chatty 9 Oct 2026
- I don’t care what product this is for, I just love the analog humanity of this 9 Oct 2026
- @nikolasklein on my iPhone screen this morning 7 Oct 2026
Show 17 more
- This is a good idea 7 Oct 2026
- I bought a refurbished Mac mini M4 Pro off of eBay, stuck it in my basement and now our CI is faster _and_ we can do perf tracking (for which you need controlled hardware.) It all cost less than a month’s worth of GitHub CI $$$ ╰(*´︶`*)╯ 7 Oct 2026
- Such a fun idea! This whole AI movement needs to be made fun of and jem does a good job ( ◠‿◠ ) 3 Oct 2026
- Over the past few weeks I've been spending a lot of time in Figma, working on the next phase of Playbit. Using robots for writing code, Figma feels like the perfect "grounding truth" for software. In many ways it beats plan & design docs. I just tell the bots (in their AGENTS.md) to look in Figma as well as my docs. Then, as they go along with their various tasks they look for guidance in my Figma doc, and I just keep working in Figma. Sometimes I ask a bot to add a page with a GUI sketch (some UI state that's missing) or to draw me a schematic of some mechanism of the implementation. It woul… 29 Sept 2026
- The most promising architecture-software startup just got some more wind in their sails! 29 Sept 2026
- Porting the playbit runtime to Xtensa/ESP32. After about 30 hours, Astra has gotten the full end-to-end encrypted, local-first runtime running apps on it with good performance. This device is not what you'd call "fast" — it's roughly a late 1990s PC in terms of memory and speed. 27 Sept 2026
- ok let's try this 23 Sept 2026
- Type fm in the terminal on macOS 27 22 Sept 2026
- Recently I've been asking my robot underlings to "Include Mermaid diagrams in plan & design documents and PR descriptions" which turned out to be a great idea. Now most docs and PRs bots write contain diagrams, visually communicating mechanics and processes. 21 Sept 2026
- This could be a big deal. Sure, you can run Qwen3.8 27B locally but if you do, practically nothing else can happen on your computer, so we need smaller models like this one to make local inference practical 19 Sept 2026
- This is so good and so fun! 16 Sept 2026
- Installed macOS 27 on a MacBook and I'm not sure if this is some kind of twisted joke or just incompetence. The contrast of window controls (for both active and inactive windows) is so bad that even a sugar-jolted 25-year old can tell. 15 Sept 2026
- It’s amazing to see people discover the joy of making your own personal-scale software. Interestingly most of what at least I see on my timeline is art/entertainment, not productivity software. I have a growing suspicion that existing productivity software is quickly becoming a “middle man” (which means their days are numbered.) Someone says “but people use email, I need to do email” — what they mean is people communicate and that’s true, but it being email or as text on a screen is kind of irrelevant on a human level. The economy of software is moving so quickly right now that it’s hard to e… 8 Sept 2026
- LED shittification of street lighting is so sad 7 Sept 2026
- Astra in codex is a thirsty thing. A single agent burned through all usage for a $200/mo account in about 14 hours (I took one of my account limit resets yesterday afternoon.) 6 Sept 2026
- Inter is having impact beyond my wildest dreams. When I started working on Inter ten years ago, I didn’t even expect it to survive the prototyping stage. Now it’s used by governments (including Switzerland, which is ironic in a way) and non-profit organizations around the world, bringing good typography to the people. It warms my heart to see so many young designers being able to express themselves in “Swiss style” without the need to break any laws. When I was a kid and an aspiring graphic designer, I could barely afford food and definitely did not have the money to buy font licenses. I wish… 5 Sept 2026
- thoughts & prayers to on-call staff at openai today 3 Sept 2026
Link verified 5 Sept 2026. Recent items update automatically from the channel.
GitHub @rsms Inter, Kod, estrella and other projects.
Recent
- New repoesp32-dot — Put your ChatGPT Dot on a Waveshare Xtensa/ESP32 device 9 Oct 2026
- comfyui-save-image-p3 — P3 color space assignment for images saved with ComfyUI 22 Jul 2026
- pes — Little library for making art and games on Playbit 29 Jun 2026
Show 17 more
- hophop — HopHop is a small systems programming language and reference compiler 6 Jun 2026
- rsm — Virtual computer 14 May 2026
- mkweb — simple static website generator 8 May 2026
- rsms-utils — Collection of CLI programs to help with everyday computer life 21 Feb 2026
- fb-mac-messenger — ⚡️ Mac app wrapping Facebook's Messenger for desktop 15 Feb 2026
- vscode-theme — Port of rsms/sublime-theme to VS Code 16 Dec 2025
- sublime-theme — My Sublime Text theme (see also: https://github.com/rsms/vscode-theme) 16 Dec 2025
- dew — Dew is a little programming language which targets the Lua virtual machine 14 Jul 2025
- go-testutil — Go test helper 26 Apr 2025
- js-miniglob — Minimal glob JavaScript implementation ported from Go's path/filepath 12 Feb 2025
- js-lru — A fast, simple & universal Least Recently Used (LRU) map for JavaScript 12 Feb 2025
- inter — The Inter font family 19 Nov 2024
- compis — Contemporary systems programming language in the spirit of C 17 Aug 2024
- serve-http — Simple, safe single-file local web server 18 Jun 2024
- estrella — Lightweight and versatile build tool based on the esbuild compiler 16 Jun 2024
- web-clipboard-promise — Demonstrates lazily-evaluated clipboard data on the Web platform 14 Jan 2024
- dawn-wire-example — [WIP] Demo of a minimal but functional Dawn-based WebGPU client and server 5 Jun 2023
Link verified 5 Sept 2026. Recent items update automatically from the channel.
About the English under a post
Some people here publish in a language other than English. Where they do, this site shows a machine translation beneath the post, in this typeface — the site's own, not theirs.
The post itself is never changed, moved or hidden: what is set in the serif above is exactly what the person published, and it is what to quote them on. A translation can be wrong in ways that matter, especially about tone.
Only the post's own words are translated. A quoted post, a linked article and a belief on korrents.com are left in their original language.