
Topcoder
Codechef
HackerRank
LeetCode
AlgoExpert.io
Codewars
Coderbyte
Interview Cake
Authenticator
Aegis Authenticator
andOTP
OTP Auth
Authenticator Plus
TOTP Authenticator
Tofu Authenticator
OTPClient
Topcoder
AuthenticatorAuthenticator (mattrubin.me) is recommended for individuals and professionals who need a reliable and easy-to-use solution for managing two-factor authentication codes across multiple accounts. It's ideal for users who value open-source software and prioritize security without the need for additional features commonly found in more complex applications.
Based on our record, Topcoder should be more popular than Authenticator. It has been mentiond 6 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
TopCoder: Features algorithm and development competitions. - Source: dev.to / almost 2 years ago
Leetcode.com for problem solving practice. Do basics first before jumping into this one. Similar thing you can do at topcoder.com for trying to code with a timer. Great for problem solving practice. Source: over 3 years ago
I know topcoder.com does competitive programming for $$, I haven't done it myself though so I'm not entirely sure how it works. Source: over 3 years ago
One thing I noticed is topcoder.com is in "Advanced" and I'm not sure but, how is Top Coder any more advanced than others? Source: about 4 years ago
Usually, I go to hackerrank.com or topcoder.com to choose the easiest challenge and I do it. In that way, you can compare your solution with other ones and get better. Source: over 4 years ago
PS. At the moment Iโm using this one. Itโs really good but itโs missing an export feature. Source: over 3 years ago
For iOS? Authenticator - it's open-source and about as simple as it gets. Source: over 3 years ago
For iOS offline, you could go with Tofu or Authenticator. These are open-source alternatives. Source: almost 4 years ago
2FA: This is a necessity for all online accounts nowadays, but it is important to store your TOTP codes somewhere trusted and secure. Services like Authy are cloud-based and proprietary, meaning that no one can verify their privacy and security claims. Cloud-based applications are risky as it is, and it is best to keep your codes somewhere local on your devices, such as Aegis for Android, or Authenticator for iOS.... Source: over 4 years ago
Codechef - CodeChef is a not-for-profit educational initiative by Directi, an Indian software company. It is a global programming community that fosters learning and friendly competition, built on top of the worldโs largest competitive programming platform.
Aegis Authenticator - Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
andOTP - andOTP is a two-factor authentication App for Android 4.4+
LeetCode - Practice and level up your development skills and prepare for technical interviews.
OTP Auth - The app for calculating one-time-passwords on iPhone and iPad.