Joel Lee

Scaling to 5k MRR in 🇷🇼

Orana Beauty, TWFA,

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[Joel Lee @__joellee__]

@saltcod @_aantti Nice. Love the inbuilt basic auth on dashboard

[Joel Lee @__joellee__]

@aryanbhasin_ Going back?

[Divin Prince @divinprnc]

I just recorded a complete QuickMail setup guide.

In under 5 minutes, I went from a domain to a working inbox that can send and receive real email, running entirely on @Cloudflare.

No Google Workspace or monthly per-user mailbox subscription.

QuickMail is free and open source

[Joel Lee @__joellee__]

I often forget how big cities are; Singapore is 30 minutes to most locations considered central.

Thank you, Kigali. I will never complain about 15-minute bike rides again.

[Joel Lee @__joellee__]

@MSandomirskaya @fsandomi What book is this :O

[Joel Lee @__joellee__]

Can’t wait to try kopi o kosong tomorrow

[Joel Lee @__joellee__]

@tzeyiing Sundays are for dates not updates

[Joel Lee @__joellee__]

@stuartelimu Intention is probably to guard against phishing. It sounds like the chosen approach is passkeys

[Joel Lee @__joellee__]

> Due to new regulations in Singapore, you won’t be able to use text message, voice call, WhatsApp or authenticator apps for 2-step verification after 30 June 2026.

wut

[Joel Lee @__joellee__]

@divinprnc @firecrawl @cursor_ai @elion55698906 Congrats on organizing your first dev event! And thanks for the t-shirt :)

[Joel Lee @__joellee__]

@benln Interested

[Joel Lee @__joellee__]

ThunderKittens is such a great name

[Joel Lee @__joellee__]

@PradyuPrasad Worse when people do it IRL 😔

[Joel Lee @__joellee__]

@laktek Perhaps worth considering AI’s suggestion haha

[Joel Lee @__joellee__]

Tokens, tokens, tokens

[girish @googrish]

one of the most exciting surprises from the launch has been seeing just how diverse the developer use cases are for custom models. human creativity is really unmatched :)

we really want to help bring more of these ideas to life.

so, we’re giving away $1,000 in free credits to folks with compelling ideas they want to train.

just reply to the post with your idea, or email us at castie[at]castform[dot]com

[Joel Lee @__joellee__]

@googrish One of the key bottlenecks in the math Olympiad scene in Rwanda is grading proofs. Educators can’t afford to use API calls (schools here, and maybe globally, don’t have $$)

Keen to see how Castie can solve for this

[Joel Lee @__joellee__]

@YingHang7 @googrish Girish as a Service😂

[Joel Lee @__joellee__]

@googrish Congrats! What’s the next big feature the team has lined up?

[girish @googrish]

“don’t train your own model” is common ai advice. it's wrong. your token bill's the proof.

today, we’re excited to launch castform into open preview. castform is the easiest way for you to train your own model, on your own data.

open-weights models are performant and much cheaper. when trained on your task & proprietary data, they beat closed models. the thing standing between you and that was weeks of plumbing & years of ml expertise.

with castform, model training is as simple as prompt engineering. @castformai

bring your agent traces or raw corpora. castform turns it into training data, picks the right algorithmic recipes, manages gpus, and gives you an ide to watch and chat with your model as it learns.

see what you can build with castform👇