Zimbra
iRedMail
Roundcube
mailcow
Thunderbird
Microsoft Exchange Server
Postfix
Microsoft Outlook
HackerRank
LeetCode
Codility
CodeSignal
Codewars
iMocha
HackerEarth
Coderbyte
Zimbra is the trusted email and collaboration platform and productivity suite that includes contacts, calendar, tasks, chat and file sharing, plus videoconferencing, document editing, and file storage. Built on an open source core, it features a modern interface, pre-integrations with popular third-party apps like Zoom, Slack and Dropbox, and can be deployed in the cloud or in on-prem and hybrid environments. Enterprises, governments, financial institutions, service providers and remote teams around the world rely on Zimbra to support complex privacy, data sovereignty and security requirements. Today, Zimbra powers hundreds of millions of mailboxes on desktop and mobile devices in more than 140 countries, and is offered by more than 500 BSPs and 2,000 channel partners. Also available now for small and medium-sized business is Zimbra Cloud, starting at $2.95 per month for 30 GB of storage. Visit www.zimbra.com to learn more and begin a free trial.
Based on our record, HackerRank seems to be more popular. It has been mentiond 66 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.
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / about 1 month ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice if anyone know any alternative that works like Working: Gives a challange User sumbits code and it test into testcases. Source: 6 months ago
An effective way to improve your JavaScript skills is working through coding challenges and exercises. Sites like ReviewNPrep, FreeCodeCamp, and HackerRank have tons of challenges that allow you to practice JavaScript concepts by building mini-projects and solving problems. These hands-on challenges force you to apply what you learn. Source: 6 months ago
I'm 18M Indian. Growing up I've always been a daydreamer, if you may. Since 8th grade - I'm fascinated by programming. And I'm good at it too. But I'm not cocky too. I wouldn't say I'm at an advanced level, but I can most probably solve any problem - in time - with my skills. I also keep my skills brushed by solving problems on Hacker Rank (every day or alternate days) and try my best to contribute on... Source: 9 months ago
You can try Jenny's lectures. https://www.youtube.com/playlist?list=PLdo5W4Nhv31a8UcMN9-35ghv8qyFWD9_S if you like classroom style teaching with whiteboard. For programming ,apart from tutorials the thing that helps best is practice , If you want to practice then I recommend hackerrank.com to test your understanding of programming concepts. Source: about 1 year ago
iRedMail - A fully fledged, free email server solution, an open source project (GPL v2).
LeetCode - Practice and level up your development skills and prepare for technical interviews.
Roundcube - Web-based IMAP email client
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
mailcow - An open source mailserver suite.
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.
