
Open TestPrep
Recall Cards
AI‑powered exam prep: flashcards, FSRS spaced repetition & practice question banks

ngrok
localhost.run
LocalXpose
Portmap.io
Pagekite
Packetriot
Pinggy.io
An open source serveo/ngrok alternative. HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.

Which is more popular?
Based on our record, sish seems to be more popular. It has been mentioned 18 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | memoryprep.com | github.com |
| Pricing | — | |
| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


MemoryPrep is an all‑in‑one browser‑based exam‑prep platform built for learners. It delivers community‑created question banks, flashcards and spaced‑repetition review powered by SM‑2 and FSRS‑6 algorithms. Key tools include AI document import, Anki/Quizlet deck import, AI‑generated explanations...
No description of sish yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of MemoryPrep yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using MemoryPrep and sish. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking MemoryPrep since Sep 2026.
A number of years ago, I created a fully open source (MIT) project called sish [0] that does just this. Sish is a SSH server written specifically for tunneling. You get all of the benefits of SSH, but also automatic TLS, a web console of... - Source: Hacker News / 16 days ago
Sish is an SSH-based solution that is simple to deploy and use. - Source: dev.to / about 1 year ago
We’re actually using Unix sockets as the underlying transport layer for this. We’re also not using sshd, we custom wrote our own daemon that’s entire job is tunneling. If you’re curious about this, you can find the project here:... - Source: Hacker News / over 1 year ago
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