CodeChef vs. LeetCode vs. SPOJ Comparison Chart

PromoTix is easy to use, blazingly fast, and jammed full of the features you need to sell tickets and registrations to your events. Create discount codes, add guests and guest lists, and use our mobile app to checkin attendees at the door. We've also built the event industry's best fully integrated marketing software with a network of ambassadors willing to promote your event. You'll make more and sell more, than ever before. Launch your own branded event app to iOS and Android devices without any developers. Create Ambassador programs and have them sell tickets for you by tapping into the thousands of ambassadors already on our platform. Sell more merchandise by adding it onto an order. Make Contest Registration Pages go viral with the help of your fans and social media. Integrate your email marketing platform and send targeted texts. Boost profits by adding your own ticketing fee and eliminate our per ticket fees all together (0% + $0 per ticket) on a Professional subscription plan.

Discover candidates’ real skills - not just their resumes - with Canditech’s candidate evaluation platform. Canditech helps HR professionals and hiring managers make fast, confident, and objective hiring decisions - based on how candidates actually perform on the job. Companies using Canditech cut up to 80% of unnecessary interviews, saving valuable time while improving quality of hire. The platform offers pre-employment assessments that simulate real-world tasks and measure both technical and soft skills, including: - Coding, SQL and Excel challenges - Business writing and open-text responses - Soft skills like critical thinking, problem-solving and communication - One-way structured video interviews All assessments are auto-scored - reducing bias and ensuring consistency. See how candidates will perform in the role - before they’re hired.

MentorCity is a comprehensive and intuitive online mentoring software cultivating the future of organizations and individuals through the power of connections and relationships. Specifically created for associations, companies, and schools, MentorCity assists in member engagement, leadership development, succession planning, and diversity and inclusion strategies. Serving as a powerful personal development tool, MentorCity helps organizations save time and money by lessening matching responsibilities and allowing program administrator to focus their efforts on building a mentoring culture that achieves exceptional results. mentoring, mentorship, mentor, mentee, coach, coaches, coaching, data security, white-label solutions, customizable mentoring programs, performance metrics, reporting tools, data analytics, discussion forums, video conferencing, real-time messaging, mobile-friendly, cloud-based mentoring, employee mentoring, corporate mentoring, goal tracking

Referral Factory makes it easy to launch and manage referral programs and affiliate programs, without writing a single line of code. Use our AI-powered referral program generator to create fully branded campaigns in seconds. Access 100,000+ verified affiliates to promote your business. Seamlessly integrate with HubSpot, Salesforce, Pipedrive, Intercom, and 3,000+ tools via API, webhooks, Zapier, or Make. Automate referral tracking, rewards, and communication. Referral Factory offers 200+ reward types: vouchers, PayPal payouts, gift cards, and more. Fully GDPR, SOC 2, and ISO 27001 compliant with self-hosting available. Get real-time analytics, 24/7 support, and pricing from $95/month. Referral Factory is ranked #1 Referral Software by Influencer Marketing Hub and Growth Marketing Pro. Trusted by thousands of marketers and founders to drive growth through word-of-mouth, affiliate marketing, and customer advocacy.

The Windsurf Editor is a free AI-powered IDE and AI coding assistant that accelerates development by providing intelligent code generation and agents in over 70 programming languages and more than 40 IDEs, including VSCode, JetBrains, and Jupyter Notebooks. With Windsurf, developers can write code faster, eliminate repetitive tasks, and stay in the flow state—whether they're working with Python, JavaScript, C++, or any other language. Built on billions of lines of open-source code, Windsurf Editor understands and anticipates your coding needs, offering multiline suggestions, automated unit tests, and even natural language explanations for complex functions. It’s perfect for streamlining code writing, reducing boilerplate, and cutting down the time spent on documentation searches. Trusted by individual developers and Fortune 500 companies alike, Windsurf Editor is your go-to solution for boosting productivity and writing better code. Try Windsurf for free today!

GW Apps – Build Powerful Business Apps Without Code. GW Apps is a secure, cloud-based no-code platform that enables businesses to create custom applications and automate workflows without programming. Designed for both business and IT teams, GW Apps combines an intuitive drag-and-drop builder with enterprise-grade security, granular permissions, and powerful workflow automation. From replacing spreadsheets to managing complex, multi-step approvals, GW Apps empowers organizations to design and deploy tailored solutions in days, not months. Our platform supports advanced data management, mobile-ready interfaces, and integration with existing systems, ensuring smooth adoption across teams. With personalized onboarding and expert support, GW Apps helps companies streamline operations, improve collaboration, and accelerate digital transformation—at a fraction of the cost of traditional development.

ZeroPath (YC S24) is an AI-native application security platform that delivers comprehensive code protection beyond traditional SAST. Founded by security engineers from Tesla and Google, ZeroPath combines large language models with advanced program analysis to find and automatically fix vulnerabilities. ZeroPath provides complete security coverage: 1. AI-powered SAST for business logic flaws & broken authentication 2. SCA with reachability analysis 3. Secrets detection and validation 4. Infrastructure as Code 5. Automated patch generation. any more... ZeroPath delivers 2x more real vulnerabilities with 75% fewer false positives. Our research team has been successful in finding vulns like critical account takeover in better-auth (CVE-2025-61928, 300k+ weekly downloads), identifying 170+ verified bugs in curl, and discovering 0-days in production systems at Netflix, Hulu, and Salesforce. Trusted by 750+ companies and performing 200k+ code scans monthly.

ActCAD is a native dwg/dxf cad software suitable for professional 2D drafting and 3D modeling projects. ActCAD is trusted by over 30000 users in over 103 countries for more than 10 years. The interface, commands, icons, dialogs, shortcuts etc. are very much similar to other popular cad software tools available in market. Flexible license types available even for single license. There is no learning for existing cad users while saving 80% of the costs. ActCAD offers free email technical support without any limitations. ActCAD can be fully customized and programs can be developed using our free API toolkit. It supports popular programming languages like , lisp dcl, .net, C++ etc. Apart from all regular commands, ActCAD offers many productive tools like pdf to cad converter, Block libraries, Image to Cad converter, handling point sets between Cad and Excel and many more. ActCAD is suitable for any high end professional projects in the domains of Architecture, Civil, Mechanical,Automotive

DATABASICS is driven to meet the most demanding Time and Expense management challenges for mid- to large-size enterprises with distributed workforces around the world. By combining two world-class tracking systems in one, we address two critical business processes with absolute ease in one solution. Our system provides the utmost flexibility in configuration and reporting by seamlessly integrating with almost any program or software you’re already using, so a perfect fit comes standard for every customer. Plus, you can be up and running in about a month with a solution that is fully customized to your organization’s needs.

Epicor Connected Process Control (CPC), formerly eFlex Systems, provides manufacturers a flexible, no-code/low-code MES solution. No programming or special skills required. Digital work instructions, with multi-media capabilities, along with the ability to integrate virtually any device with communication capabilities, provides 100% historical record of the product and the process. Providing data insight, from production reports, to part history, quality summary and more — address issues quickly, minimize waste and disruptions. Whether you start small in subassembly areas, an entire line, or apply enterprise wide - we work with manufacturers of all sizes and needs. Hosted on prem or in the cloud, you decide what's best for your operations.