Our Portfolio - Open Source

React Support Ukraine Banner

React Support Ukraine Banner is a lightweight component that adds a UNITED24 support banner to any website.

React Support Ukraine Banner is a small, focused open-source component that makes it easy to show solidarity with Ukraine. It reflects Vasilkoff Ltd's commitment to open source and social impact by helping websites display a UNITED24 link in a clear, accessible banner.

SMRT16

SMRT16 is an open-source Polygon DApp with automated referral earnings, delivered with a quality-first, accountable workflow.

SMRT16 demonstrates our expertise in Web3 development, Solidity smart contracts, and decentralized application architecture. Built as a fully autonomous, open-source DApp for multi-level referral programs on the Polygon blockchain, it ensures instant, secure, and transparent rewards distribution (up to 93.75% of transactions). This experience is ideal for clients needing decentralized affiliate systems, blockchain-powered loyalty programs, or advanced crypto integrations. We can design and deploy secure smart contracts with AI-powered internal/external audits, and integrate decentralized or centralized apps with SMRT16 logic, with accountable delivery from start to launch.

Easy VPN Free

Easy VPN Free is a 100% free, open-source Android app using VPN Gate, offering secure, censorship-resistant access without tracking.

Easy VPN Free exemplifies our expertise in developing open-source, privacy-focused mobile applications. As an Android VPN app with a publicly available codebase, it showcases our commitment to ethical software development and transparent practices. This experience is crucial for startups and MVPs, demonstrating how we leverage stable, battle-tested open-source components to accelerate development, reduce costs, and deliver scalable, secure solutions with faster time-to-market.

2ul.top

2ul.top is an open-source URL shortening service developed by Vasilkoff Ltd. The project showcases DevOps best practices and offers both free URL shortening services.

2ul.top showcases our expertise in developing scalable, high-performance web applications using modern NextJS and NodeJS stacks. Our focus on rigorous DevOps best practices (including CI/CD and Infrastructure as Code) ensures efficient development cycles and rapid deployment. This experience is perfectly suited for clients building SaaS platforms, high-traffic web services, and custom APIs requiring operational efficiency and resilience. We deliver robust solutions designed for long-term growth and optimized time-to-market.

Bella Chess: Reimagine Chess with AI, Etudes & NFT Collectibles.

Bella Chess is an open-source game combining Flutter mobile/Next.js web apps with AI opponents, Web3, and NFT collectibles.

Bella Chess showcases our capacity to build complex, cross-platform applications combining Flutter and Next.js. Vasilkoff Ltd specialised in integrating advanced technologies like AI for personalized user experiences and Web3 for secure NFT and blockchain functionality. This expertise is ideal for clients seeking innovative GameFi, AI-driven platforms, or sophisticated DApps that require seamless mobile and web integration. We deliver technically advanced, secure, and engaging digital solutions.

GARANTEX EXCHANGE

Garantex Exchange is a professional cryptocurrency exchange platform with a website and native iOS and Android apps.

Garantex Exchange demonstrates our ability to rapidly deploy scalable and secure crypto exchanges by leveraging and customizing open-source frameworks like Peatio. Vasilkoff Ltd specialised in comprehensive Fintech solutions with multi-platform access (Web, iOS, Android), ensuring advanced trading features and robust security. This expertise is ideal for clients seeking quick, cost-effective solutions for building professional trading platforms that meet rigorous security standards and support high transaction volumes.