--- title: Best habr posts — April 2025 | daily.dev description: The most upvoted habr posts from April 2025, curated by the daily.dev community. canonical: https://daily.dev/sources/habr/best-of/2025/04 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/habr/best-of/2025/04 og:type: website og:site_name: daily.dev og:title: Best habr posts — April 2025 | daily.dev og:description: The most upvoted habr posts from April 2025, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of habr — April 2025 1. 1 [](https://daily.dev/posts/top-11-free-ai-image-generators-best-ai-image-tools-of-2025-bzgrrg4qy "Top 11 Free AI Image Generators: Best AI Image Tools of 2025") Article habr·1y Top 11 Free AI Image Generators: Best AI Image Tools of 2025 AI image generators can quickly create images from text prompts, saving time and effort. Eleven tools are reviewed: BotHub, Grok, Canva, Microsoft's Image Generator, DeepAI, FreePik, MagicStudio, Craiyon, Adobe Express, Deep Dream Generator, and StarryAI. Each has unique strengths, from customization options to prompt handling speed. Some offer free limited uses, while others require premium subscriptions for extended features. 216 4 2. 2 [](https://daily.dev/posts/how-i-created-perfect-wiki-and-reached-250k-in-annual-revenue-without-investors-nivkufzm8 "How I Created Perfect Wiki and Reached $250K in Annual Revenue Without Investors") Article habr·1y How I Created Perfect Wiki and Reached $250K in Annual Revenue Without Investors Ilia shares his journey of creating Perfect Wiki, a successful SaaS product that generates $250,000 annually without any investors. He discusses the challenges faced, how he identified a niche market within Microsoft Teams, and the importance of simplicity in product development. Perfect Wiki's integration with Microsoft Teams is a key advantage, and the product has expanded beyond Teams to platforms like Slack and ChatGPT. 125 2 3. 3 [](https://daily.dev/posts/google-adk-easiest-way-to-build-an-ai-agent-dh6vsoqkw "Google ADK: Easiest Way to Build an AI Agent") Article habr·1y Google ADK: Easiest Way to Build an AI Agent This tutorial introduces Google's Agent Development Kit (ADK) for building AI agents using Python. It explains key concepts like AI, workflows, and AI agents. The ADK provides tools and libraries to simplify creating an AI agent by focusing on logic rather than technical details. The guide includes step-by-step instructions for setting up an environment, using ADK to construct a multi-step content assistant AI agent, and demonstrates its utility through examples. 103 2 4. 4 [](https://daily.dev/posts/build-better-faster-using-tdd-kpu3azknm "Build better, faster using TDD") Article habr·1y Build better, faster using TDD Test-Driven Development (TDD) is a methodology that aims to improve software quality and development speed through a cycle of writing tests, implementing code to pass those tests, and then refactoring. Despite challenges such as steep learning curves and integrating TDD into existing projects, its benefits include increased code confidence, adaptability to changing requirements, improved usability, and preventing bugs from reappearing. Tips for effective TDD include writing fast tests, moving quickly from failing to passing tests, abstracting external dependencies, and combining unit and acceptance testing. TDD should be seen as a tool that complements the developer's workflow. 20 5. 5 [](https://daily.dev/posts/how-to-add-any-css-framework-to-your-project-part-2-0aduxslbx "How to Add Any CSS Framework to Your Project. Part 2") Article habr·1y How to Add Any CSS Framework to Your Project. Part 2 Learn how to integrate Bootstrap variables into your Angular project effectively while maintaining a well-organized style structure. This guide walks through setting up a project with SCSS, centralizing Bootstrap variable management, and ensuring style reusability across Angular components. It also touches on adapting this setup for NX architecture, enhancing your project's scalability and maintainability. 10 [See all habr archives](/sources/habr/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/habr/best-of/2025/04#page","url":"https://daily.dev/sources/habr/best-of/2025/04","name":"Best habr Posts — April 2025","description":"The most upvoted habr posts from April 2025, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/habr/best-of/2025/04#items","numberOfItems":5,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/top-11-free-ai-image-generators-best-ai-image-tools-of-2025-bzgrrg4qy","name":"Top 11 Free AI Image Generators: Best AI Image Tools of 2025"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/how-i-created-perfect-wiki-and-reached-250k-in-annual-revenue-without-investors-nivkufzm8","name":"How I Created Perfect Wiki and Reached $250K in Annual Revenue Without Investors"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/google-adk-easiest-way-to-build-an-ai-agent-dh6vsoqkw","name":"Google ADK: Easiest Way to Build an AI Agent"},{"@type":"ListItem","position":4,"url":"https://daily.dev/posts/build-better-faster-using-tdd-kpu3azknm","name":"Build better, faster using TDD"},{"@type":"ListItem","position":5,"url":"https://daily.dev/posts/how-to-add-any-css-framework-to-your-project-part-2-0aduxslbx","name":"How to Add Any CSS Framework to Your Project. 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