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Open Source

1. VT Chat

VT Chat is a client‑side AI chat platform that puts privacy and control back in your hands. Enter your own API keys, choose from 23 models, and store all data locally. VT Chat delivers professional AI conversations with complete privacy control through BYOK (Bring Your Own Key) support and local-first architecture.

Artificial Intelligence Open Source Productivity

2. Reviewsup.io

Open-source platform for managing reviews and testimonials

Developer Tools Marketing Tools Open Source

3. getStack.dev

Explore the most popular technologies and GitHub repositories, refreshed weekly

Data Science & Analytics Developer Tools Open Source

4. EventStack

✨ EventStack — a clean, open-source event management tool where:You can create eventsShare a public link with participantsLet others vote on availabilityAnd comment to share opinions on the agenda!No clutter, just what you need to plan better, faster, and collaboratively. Built with a minimalist stack:🌪️ Tornado (Backend)🐥 HTML + Tailwind CSS (Frontend)🐘 NeonDB (Database)🛡️ GitHub OAuth (Authentication)🎈 Railway (Hosting)Try EventStack and make it your go-to event booking platform!📬 It’s completely open-source and welcoming contributors — whether you're a designer, backend dev, or just enthusiastic about making calendars less boring.#OpenSource #Python #Tornado #TailwindCSS #NeonDB #GitHubOAuth #EventStack #DevProjects

Marketing Tools Open Source

5. Open Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Directory Open Source Productivity

6. biohub.fyi

Your Digital Identity, Beautifully Organized

Open Source Platforms Productivity

7. Phoenix Template Engine

With some delay, but I made it. I'm happy to announce that Phoenix Template Engine version 1.0.0 is now available. This is the first version that I consider stable and that comes with the functionalities I wanted. Moreover, I spent time on a complete rebranding, where I redesigned the logo, the presentation website, and the documentation.What is Phoenix?Phoenix is an open-source template engine created entirely by me for Spring and Spring Boot that comes with functionalities that don't exist in other market solutions. Furthermore, Phoenix is the fastest template engine, significantly faster than the most used solutions such as Thymeleaf or Freemarker.What makes Phoenix different?Besides the functions you expect from a template engine, Phoenix also comes with features that you won't find in other solutions. Just a few of the features offered by Phoenix:An easy-to-use syntax that allows you to write Java code directly in the template. It only takes one character (the magical @) to differentiate between HTML and Java code.The ability to create components (fragments, for those familiar with Thymeleaf) and combine them to create complex pages. Moreover, you can send additional HTML content to a fragment to customize the result even more.Reverse Routing (type-safe routing) allows the engine to calculate a URL from the application based on the Controller and input parameters. This way, you won't have to manually write URLs, and you'll always have a valid URL. Additionally, if the mapping in the Controller changes, you won't need to modify the template.Fragments can insert code in different parts of the parent template by defining sections. This way, HTML and CSS code won't mix when you insert a fragment. Of course, you can define whatever sections you want.You can insert a fragment into the page after it has been rendered. Phoenix provides REST endpoints through which you can request the HTML code of a fragment. Phoenix handles code generation using SSR, which can then be added to the page using JavaScript. This way, you can build dynamic pages without having to create the same component in both Phoenix and a JS framework.Access to the Spring context to use Beans directly in the template. Yes, there is @autowired directly in the template.Open-sourceAnd many other features that you can discover on the site.Want to learn more?Phoenix is open-source. You can find the entire code at https://github.com/pazvanti/PhoenixSource code: https://github.com/pazvanti/PhoenixDocumentation: https://pazvanti.github.io/Phoenix/Benchmark source code: https://github.com/pazvanti/Phoenix-Benchmarks

Developer Tools Open Source Web Development

8. Toolify100

toolify100.com is a toolset aiming for 100 AI utilities. Currently featuring Token Counter (text token & cost) and Image Token Counter (image token & cost), comparing across models.

Developer Tools Open Source

9. mq - jq-like command-line tool for markdown processing

mq is a command-line tool that processes Markdown using a syntax similar to jq.It's written in Rust, allowing you to easily slice, filter, map, and transform structured data.

Developer Tools Open Source Web Development

10. Backlink Exchange MarketPlace

The Backlink Exchange Marketplace is a specialized platform that connects website owners, bloggers, and digital marketers looking to grow their online visibility through ethical and efficient backlink exchanges. Designed to simplify and streamline the link-building process, this marketplace allows users to publicly list their websites along with relevant SEO metrics, niche categories, and preferred exchange conditions.By offering a centralized directory of actively participating websites, the platform makes it easy to browse and filter listings based on factors such as domain authority, website traffic, industry focus, and language. Whether you're a startup, an established brand, or a content creator, you can quickly find high-quality sites that align with your audience and goals.Once you find a potential match, the marketplace enables direct communication between website owners. This means no intermediaries, no time-consuming email outreach, and a greater chance of securing relevant, mutually beneficial partnerships. Each exchange is handled transparently, encouraging trust and long-term collaboration.The Backlink Exchange Marketplace is ideal for those who want to enhance their SEO strategy, build organic traffic, and boost search engine rankings—without the high costs of traditional link-building services.✅ Key BenefitsTargeted Link Building – Connect with sites in your specific niche for more relevant and effective backlinks.Improved SEO Rankings – Boost domain authority and search visibility with high-quality, mutual link exchanges.Time-Saving Platform – Discover and contact partners easily from a curated list, no cold outreach needed.Direct Communication – Engage with site owners directly for transparent, efficient negotiations.Cost-Effective Growth – Build links through collaboration, not costly paid placements.Access to SEO Metrics – Evaluate sites based on domain authority, traffic, and backlink profiles.Ethical and Transparent – Promote sustainable SEO practices aligned with Google’s guidelines.Grow Your Network – Foster relationships with other professionals in your industry.Ongoing Opportunities – New listings mean fresh chances to build strategic partnerships.Centralized Management – Keep all exchange activity organized and easy to track in one place.Whether you're just starting out or scaling your SEO efforts, the Backlink Exchange Marketplace gives you the tools and connections you need to build a stronger backlink profile and drive lasting online growth.

Databases Marketing Tools Open Source

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