Alternatives

Products that do what SilentSuite does

End-to-end encrypted sync for calendar, contacts and tasks.

1
Secure Calendar▲75
Privacy respecting calendar
2019
2
Handshake▲217
Put promises on the blockchain
2018
3
Tresorit 3.0▲98
End-to-end encrypted file sync & sharing for your team
2016
4
Serenity Notes▲151
End-to-end encrypted collaborative notes app
2021
5
Keybase Chat▲253
End-to-end encrypted chat built into Keybase
2017
6
OI Calendar▲78
Encrypted, decentralized alternative to Google calendar
2019
7
Dash▲122
Private, encrypted OSS notes app
2025
8
RecordMeeting▲157
Record and transcribe any calls without announcement
Jul 2026
9ET
End-to-end encrypted location sharing service like Google Latitude▲168
2020 · zood.xyz
10
Sync▲90
Sync offers secure and completely private cloud storage
2015
11
Disposable▲126
A real-time, e2e encrypted ephemeral communication tool
2023
12
Seald SDK▲108
Protect your users' data with end-to-end encryption.
2021
13
Keybase for Mobile▲159
End-to-end encryption messaging platform
2017
14
Journify▲176
Audio journaling. Encrypted, easy-to-share voice recordings.
2020
15
Ready▲89
The private, secure, and powerful messaging app for everyone
2022
16
Cactus Diary▲109
Diary app with AES encryption
2023
17ES
EteSync – Secure and journaled sync for Android▲41
2017 · etesync.com
18
Location Diary▲84
Decentralized personal location tracker
2019
19ET
End-to-end encrypted notes app▲6
One year ago I started to explore combining CRDTs with end-to-end encryption to allow people to collaborate on the same documents/data. Couple months back I got a first prototype working. Think of a simple Google Docs, but end-to-end encrypted and offline-first (iOS & Android for now). Why CRDTs? Every document is a CRDT data structure. This is very important for conflict resolution. With CRDTs this can happen on the client and everyone can resolve to exactly the same state of the document once all the updates are synchronised. This basically allows to exchange the updates/data via…
2021
20
SNote▲112
End-to-end encrypted notes, docs, data & files
2023
21
Chronock▲110
Scheduling and calendar sync, all in one
22d ago · chronock.ai
22
Crypton.sh - SMS▲85
Secure Anonymous SMS in the cloud (and a phone number)
2018
23
Notta Desktop - Privacy Mode▲54
Offline AI meeting notes with unlimited transcription
Jul 2026
24
PLAiV▲70
An encrypted online planner powered by Blockstack
2019

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