tools

Super Productivity

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Super Productivity is a free, open-source task manager designed to support deep work with features like time tracking, Pomodoro timers, customizable boards, and integrations with tools like GitHub, Jira, and calendars. It emphasizes privacy by operating 100% offline with local-first data storage and no telemetry, and it offers extensive customization through plugins and keyboard shortcuts for efficient workflows. Tailored for various professionals including developers and freelancers, it provides detailed work analytics, flexible scheduling, and tools to overcome procrastination, all backed by an active open-source community.

https://super-productivity.com/

AARomanov1985/Audio-Cassette-Simulation: This Project Simulates Cassette Tape Audio Profiles Using Ffmpeg

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The Audio-Cassette-Simulation project uses ffmpeg to replicate the audio characteristics of various cassette tapes by applying effects like tape noise, wow and flutter pitch modulation, bandwidth limits, and equalizer adjustments. It provides scripts to convert local audio files or record live streams into cassette-simulated outputs, organized by different tape profiles such as BASF LH Extra C90, Maxell UD C90, and vintage Sony and TDK tapes. The project is implemented in shell scripts and released under the MIT license.

https://github.com/AARomanov1985/Audio-Cassette-Simulation

Obsidian AI Second Brain: The Free Self-Organizing Plugin

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Agrici Daniel developed claude-obsidian, a free Claude Code plugin that transforms Obsidian into a self-organizing AI second brain by automatically reading sources, writing linked Markdown notes, and maintaining an index without manual filing. Built on Andrej Karpathy's LLM Wiki pattern, it avoids vector databases and proprietary formats, offering an open-source, data-owned alternative that saves time by compounding knowledge across 15 integrated skills. The latest v1.9 release enhances retrieval accuracy, collaboration safety, and introduces a thinking framework, enabling users to efficiently build and maintain richly connected knowledge bases within Obsidian.

https://agricidaniel.com/blog/claude-obsidian-ai-second-brain

This Docker Container Converts Any File to Any Format, so I Stopped Trusting Sketchy Websites with My Private Documents

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The article discusses ConvertX, a self-hosted Docker container that enables converting a wide range of file formats locally, eliminating the need to use cloud-based file converters that pose privacy risks and often impose usage limits. ConvertX integrates multiple open-source converters into a user-friendly web interface, supporting documents, ebooks, images, videos, and more, allowing users to maintain privacy and avoid subscription fees by running all processing on their own servers. The author highlights ConvertX's ease of deployment via Docker Compose and its efficiency handling large files, making it a valuable tool for privacy-conscious users seeking versatile file conversion capabilities.

https://www.xda-developers.com/this-one-docker-container-converts-any-file-to-any-format/

Bento/Suite — the Office Suite That Fits in a File

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Bento/Suite offers a local-first, AI-native office suite where each document is a single self-contained HTML file that serves as the editor, viewer, and player without requiring accounts or cloud services. Its slides app supports rich animations, live charts, video, and cryptographically secured real-time collaboration with offline-first CRDT syncing, while preserving full user control and privacy. The open-source suite embeds all assets to ensure longevity and platform consistency, enabling AI-powered editing by directly manipulating JSON inside the file.

https://bento.page/

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