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Subroute
Learn system design by playing with it, not just reading
An interactive playground for technical concepts. Explore system design, caching, load balancing, garbage collection, and more through visual simulations you can actually touch — not just read about. Free, no signup.
Hey everyone 👋
I'm a developer, and every time I tried to learn things like rate limiting, caching, or load balancing, it was the same loop: read an article, stare at a diagram, and still not really get how it behaves in practice.
So I built Subroute: a playground where you change the inputs and watch what actually happens. See which cache eviction policy keeps the best hit rate, why one load balancing algorithm overloads a server, and another doesn't, how garbage collection reclaims memory, what consistent hashing does when you add or remove a node.
Right now it covers 9 topics and around 60 concepts: rate limiting, caching, load balancing, garbage collection, memory allocation, consistent hashing, page replacement, and circuit breakers. Free, no signup.
I'd genuinely love feedback, especially on which concept I should build out next. Thanks for taking a look 🙏
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About Subroute on Product Hunt
“Learn system design by playing with it, not just reading”
Subroute was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #114 on the daily leaderboard. An interactive playground for technical concepts. Explore system design, caching, load balancing, garbage collection, and more through visual simulations you can actually touch — not just read about. Free, no signup.
Subroute was featured in Open Source (68.5k followers), Education (78.7k followers) and Developer Tools (514k followers) on Product Hunt. Together, these topics include over 113.9k products, making this a competitive space to launch in.
Who hunted Subroute?
Subroute was hunted by Yathiskumar. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Yathiskumar