Awesome List Updates on Jun 19, 2026

9 awesome lists updated today.

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1. Awesome V

Command-line

• lagger (⭐0) - A dynamic network latency and packet loss simulation proxy designed to emulate real-world network degradation at the application layer.

2. Awesome Lowcode

AI

• Playcode - AI website and app builder that creates and hosts web apps from text prompts.

3. Awesome Gemini Cli

Non-Gemini CLI

• NotFair (⭐2.9k) - Open-source Claude Code skills for SEO, GEO, Google Ads, and Meta Ads. Connects to live data via Google Ads MCP, Meta Ads MCP, Google Search Console MCP, and Google Analytics (GA4) MCP. Includes a /notfair:gemini cross-model review skill that runs Gemini as a second-opinion gate on ad campaigns, SEO metadata, and schema markup. MIT, ~2.9k stars.

4. Awesome Windows

Text Editors

• Markra - Local-first WYSIWYG Markdown editor with native AI review.

5. Awesome Json

Applications

• JSON Design Studio - Professional schema authoring environment.

Command-line tools

• JSONKit (⭐0) - Swiss Army knife: format, validate, query via dot-notation, diff, flatten, convert to CSV, and stats. Zero dependencies, Python 3.10+.

• Parsrs (⭐86) - CSV, XML, and data text parsers and generators written in pure POSIX shellscript. Includes parsrj.sh and makrj.sh.

• jsonskim (⭐1) - Extract structure by collapsing arrays and truncating strings. LLM-ready output.

Editors

• JSON table editor - Display JSON array as table, provides search, filtering and edition features. It supports large files of multiple gigabytes. (Rust).

Frontend components

• SmarkForm - Enhance HTML forms to import/export any possible data, including arrays and subforms to any depth.

Libraries

• codables - Declarative, type-rich (de)serializer able to handle almost any data type.

• qjson (⭐7) - A fast library for C++17 that is header-only.

• TOON PHP Lite (⭐1) - Lightweight TOON encoder/decoder for human-readable, LLM-friendly structured data. (PHP).

• yyjson (⭐3.8k) - High performance parser and serializer in C.

Online tools

• Dadroit V Web - In-browser viewer for large files with tree view, RegEx search, and URL loading with auth. Fully client-side.

• DataFormatter Pro - Browser-based formatter, validator, diff, and converter with a tree view.

• JSON Blob - An online tool to view, edit, format, and share data. Also has an API for making requests against stored blobs.

• JSON Viewer Tool - Online tool to view, format, validate, minify, and convert data in the browser.

• JSONMaster - Free online validator, formatter, minifier and viewer.

• JSONtapose - Intuitive, beautiful and secure client-side comparison and visualization tool.

• jsontosdk - Paste a data sample to get typed TypeScript interfaces and a Zod schema with LLM-named types. No signup.

• Softwium - Fake and dummy REST API for testing.

• JSONing - A toolset including a formatter, comparer, JSONPath tester, patch generator, and data generator.

Schema Specifications

• JSON Model (⭐6) - A lightweight featureful DSL for data modeling.

JSON Schema Tools

• JSON Schema CLI (⭐283) - Command-line interface for formatting, linting, testing, bundling, and validating schema files for local development and CI/CD pipelines.

JSON Schema Resources

• Learn JSON Schema - Open-source reference documentation for the schema specification.

6. Awesome Hacker News

Android / Nevix

• HackerFlow

7. Awesome Testing

Software / UI & End-to-End Testing

• DevAssure - Agentic testing for E2E web UI on real browsers. Agent can be added to Github Actions to test only the flows that have changed in a PR.

8. Awesome Amazon Seller

Software and Tools

• Inventory Hero - Automated inventory management for Amazon FBA that forecasts demand, drafts restocks, and works inside Claude via MCP.

Product Research and Pre-Launch

• Amazon Product Opportunity Explorer - Official Amazon tool for exploring product opportunity niches and reviewing demand, competition, and search trends.

• Amazon Revenue Calculator - Official Amazon tool for estimating selling fees, fulfillment costs, and revenue by fulfillment method.

• CPSC Regulatory Robot - U.S. Consumer Product Safety Commission tool that helps identify basic consumer product safety requirements.

• USPTO Patent Public Search - Official USPTO search tool for U.S. patents and patent application publications.

9. Awesome Love2d

Utilities

• L5 - A lightweight creative coding library that ports Processing / p5.js into Lua.

• Next: Jun 18, 2026