Top 9 Open-Source Alternatives to Challenger

Product categories

Cloud Storage Cloud VPN Data Encryption Email Security Encrypted Cloud Storage Encryption File Encryption File Sharing Folder Encryption Security & Privacy Security Tools VPN

Summary

The top open-source alternatives to Challenger are CryFS, SiriKali, and Cryptomator. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

CryFS Landing Page
1

CryFS

CryFS encrypts your files, so you can safely store them anywhere.
Pricing:
- Open Source
#Security & Privacy #File Encryption #Encryption 1 social mentions
SiriKali Landing Page
2

SiriKali

A Qt/C++ GUI front end to cryfs,gocryptfs,securefs,ecryptfs and encfs.
Pricing:
- Open Source
#File Encryption #Encryption #Security & Privacy 3 social mentions
Cryptomator Landing Page
3

Cryptomator

When it comes to saving your files on a cloud server, it is important to ensure the security of those files. Keeping your delicate files out of the wrong hands can save you a lot of time and hassle. Read more about Cryptomator.
Pricing:
- Open Source
#Cloud Storage #File Sharing #Encrypted Cloud Storage 295 social mentions
Openstego Landing Page
4

Openstego

OpenStego is a tool implemented in Java for generic steganography, with support for password-based...
Pricing:
- Open Source
#Security & Privacy #Cloud Storage #File Sharing
GnuPG Landing Page
5

GnuPG

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).
Pricing:
- Open Source
#Security & Privacy #Security Tools #Encryption 38 social mentions
PGP Tool Landing Page
6

PGP Tool

PGPTool allows you to encrypt and decrypt files. It's free and easy to use.
Pricing:
- Open Source
#Security & Privacy #Encryption #Security Tools
WireGuard Landing Page
7

WireGuard

Fast, Modern, Secure VPN Tunnel
Pricing:
- Open Source
#Security & Privacy #VPN #Cloud VPN 9 social mentions
File Lock PEA Landing Page
8

File Lock PEA

Password-encryption of files and directories. File PEA encrypts files and folders with authenticated encryption to protect confidentiality and integrity. The program uses memory-hard key derivation functions to prevent custom hardware attacks.
Pricing:
- Open Source
#File Encryption #Folder Encryption #Cloud Storage
OpenVPN Landing Page
9

OpenVPN

OpenVPN - The Open Source VPN
Pricing:
- Open Source
#Security & Privacy #VPN #Cloud VPN 40 social mentions