Andrea Bruno (@baronunread) profile picture

I build open-source dev tools and post what I learn making them. short links → https://nitter.cf/t.co/TN9hA8Jwyw analytics → https://nitter.cf/t.co/PNZDbLnsFK tools → https://nitter.cf/t.co/l1KHUo0oY7 Lover of the weird

Italy
Joined August 2017
Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)Photo by Andrea Bruno (@baronunread)
rdyrct 1.1 is out! my open-source url shortener can now take your links from bitly, short io, rebrandly or dub with every short url unchanged. what's new:
2
2
1
6
207
A new free tool every Tuesday uhhh I mean Wednesday. This week: a UUID and ULID generator and explainer. - v4, v7 or ULID, up to 1000 at once - v7 batches stay in order, even inside one millisecond - Paste any UUID to see its version and the time inside it Why v7: its first 48 bits are a timestamp, so new IDs sort by time and land at the end of a database index instead of all over it.
1
23
Andrea Bruno retweeted
What the f*ck are Durable Objects? An attempt to give an answer: durable.ami.ni
3
1
5
347
Andrea Bruno retweeted
Wait rdyrct is trending on PeerPush?? 😱
3
1
1
5
54
Andrea Bruno retweeted
Introducing snapcn templates Full launch videos for your product, made with @Remotion. Swap your copy, render. > 5 production-ready templates > Install with the shadcn CLI > Claude builds the video via the snapcn MCP
25
24
2
228
9,420
Andrea Bruno retweeted
My landing page lagged on mobile scroll, but only in X's in-app browser. - Header blur off: still laggy - Product tour hidden: still laggy - All CSS animations off: smooth The culprit? animation-timeline: view() on every section. Removing it fixed it!
7
1
5
100
Andrea Bruno retweeted
made a simple website for meiro, the music player actually works lol meiro.elianiva.com/
41
56
6
1,053
44,744
It's crazy how I get it now. it is boring mode. Switching to t3code should be studied it's like a pipeline of making you a 10x developer
Day 25/ "Boring Mode" sidebar is now available as an experimental option. I know some people just can't give up grouping by project. Here you go. Enjoy.
23
My landing page lagged on mobile scroll, but only in X's in-app browser. - Header blur off: still laggy - Product tour hidden: still laggy - All CSS animations off: smooth The culprit? animation-timeline: view() on every section. Removing it fixed it!
7
1
5
100
Andrea Bruno retweeted
I'm too busy, here are my current reply times: gf's text: 1 minute cofounder's text: 10 minutes customer ticket: 1hr investors' message: 1d twitter comment: 10 seconds
43
2
173
5,740
Andrea Bruno retweeted
came home to that game of pong still running on 60 min min microvm. 60vms, python server per "box" + isolated network stack + pi agents. total cost : free. (its local)
4
1
14
1,432
Andrea Bruno retweeted
what people don't realize is that @luaroncrew and I met 5y ago, failed our first startup together we joined again more than 1.5y ago to start working on boat.dev (before even the left of this chart) we came into sandboxes as frustrated users, and we developed taste and expertise for them slowly, all from 1st principles, all with a user-centric approach we wanted to build the openclaw for software engineering, before openclaw, before long running cloud agents, before cursor had a cloud desktop, before the surge of ADEs no sandbox was good enough for our usecase, and I believe now except boat.dev none would still be good enough we wanted to build: 1. a always on CTO agent "Alfred" that would take high level goals & constantly loop (before loops) on your stuff: this needed a always on sandbox, still cheap if running 24/7 but beefy as f, with ability to setup an entire dev environment + browser for acquiring info or signal to loop on + a desktop to record demos on to keep deliverables super high level 2. the ability for the CTO agent to make copies of his entire disk and setup live into shorter running sandboxes with same OS and all, just for individual subagents and tasks that needed isolated testing this needed a robust fs snapshot system, git-like in the background, optimized for small snapshot size, yet robust and predictable all of this at a time of still great agent flackyness the sandbox got easy to use, (cost) optimized and unique enough that we thought maybe it'd have more success as a standalone product and we were so go damn right, our ARR has 34x since we shipped boat.dev in late may so yeah, we had to grind for monthes to get something okay-ish overnight successes don't exist, great products require full honesty, full dedication, full grind, and knowing the pain as good as having lived it first hand
23
3
125
4,319
I paid for this out of my pocket, I don't think there's many engineers as good as @emilkowalski to explain something like this, definitely check it out!
I’ve been working on something new: aiforui.dev/ AI for UI has 28 skills and 20 lessons on building great interfaces with AI. More than 3,000 people have enrolled so far. It’s $299 instead of $399 until early access closes on Friday. The full course opens in 2027.
1
37