Documentation Portals & DevPortals

HN

HNMovies

4.4/5.01 verified review

Free

Curated cinema and documentary directory driven by Hacker News community endorsements.

• Access to a public JSON API for programmatic queries.
• Strict curation based on real technical community mentions.
• Data available for download in structured formats like Parquet and JSONL.

SI

Signplify

4.4/5.01 verified review

Free

Free web-based tools to sign PDFs, draft contracts, and calculate taxes.

• Local browser processing without uploading files to external servers
• Completely free access with no registration or user accounts required
• Integrated suite of utilities for PDFs, contracts, and tax calculations

PY

PyPI

4.4/5.01 verified review

Free

The official software repository for the Python programming language.

• Universal access to thousands of verified open-source Python libraries
• Native integration with standard package managers like pip
• Free and widely adopted public infrastructure across the industry

AP

ABP Platform

4.4/5.01 verified review

Freemium·Open Source·LGPL-3.0

Open-source web application framework on top of ASP.NET Core for enterprise apps.

• Modular architecture structured following ASP.NET Core best practices.
• Pre-built modules that eliminate boilerplate code for standard features.
• Multiple UI options including Angular, Blazor, and MVC.

14.5kstars on GitHub

KA

Kaggle

4.4/5.01 verified review

Free

Global community and machine learning platform for data science and artificial intelligence.

• Vast public repository of datasets and runnable notebooks.
• Integrated web development environment with free GPU support.
• Active gamification with performance-based technical rankings.

EV

Evidence

4.4/5.01 verified review

Free·Open Source·MIT

Open-source, code-based business intelligence platform using SQL and Markdown.

• Complete code-first approach using Markdown and SQL.
• Auditable and self-hostable open-source architecture.
• Native integration with Git version control workflows.

7.1kstars on GitHub

HA

Hashnode

4.4/5.01 verified review

Free

Technical blogging platform optimized for search engines and AI answer engine citations.

• Fast setup for technical blogs with custom domain support.
• Native optimization for search engines and AI agent citations.
• Built-in active developer community and readership network.

20stars on GitHub

DA

Datawrapper

4.4/5.01 verified review

Free

Web tool to create interactive charts, maps, and tables with zero code required.

• Accessible interactive charts by default
• No coding or installation required
• Automatically optimized for mobile devices

ZE

zeroheight

4.4/5.01 verified review

Freemium

Design systems management platform syncing documentation, code components, and Figma resources.

• Native Figma sync reduces manual update friction.
• Efficient centralization of design, code, and token documentation.
• Detailed analytics on component usage and system adoption.

ST

Stoplight

4.4/5.01 verified review

Paid·$56/mo

Centralized platform for OpenAPI specification design, interactive documentation, and mock servers.

• Intuitive visual interface for editing OpenAPI specifications without writing raw JSON or YAML
• Automated generation of interactive documentation portals linked to code repositories
• Integrated mock servers to validate API contracts prior to backend implementation

RE

RedTeamDaily

4.4/5.01 verified review

Free

Free cybersecurity news, vulnerability tracking, and threat alerts in plain English.

• Concise and direct summaries based on multiple trusted technical sources.
• Automated tracking of CISA alerts and critical CVE vulnerabilities.
• Free access without paywalls on the web and mobile applications.

HI

HissingKitty

4.4/5.01 verified review

Free

Independent software directory tracking community complaints and SaaS alternatives from Hacker News discussions.

• Data extracted directly from public technical discussions on Hacker News.
• Transparent ranking of platforms with the highest accumulated complaints.
• List of real alternatives used and recommended by engineers.