Tuta Calendar is an encrypted calendar that organizes events with end-to-end encryption and a zero-knowledge architecture. It offers push notifications, two-factor authentication, and sharing of calendars and events. Apps are available for Android, iPhone, and open source desktop clients for Windows, macOS and Linux. It is also integrated with email.
Samay is a free and open source group scheduling tool. It helps find a time which works for everyone without the back-and-forth texts and emails. The page shows a scheduling grid and offers group poll and one-on-one poll options.
Open Sustainable Technology is a directory and analysis of the open source ecosystem in climate change, sustainable energy, biodiversity and natural resources. Its stated mission is to find, list, and share projects that preserve or analyze natural ecosystems through open technology, methods, data, intelligence, knowledge or tools. Contributions are invited via pull request or email.
Label Studio is an open source data labeling and annotation platform for multi-modal data, including text, images, audio and time series. It lists uses such as LLM and agent evaluation, computer vision, NLP and document tasks, and audio transcription. It offers API, Python SDK and webhooks, and is available via pip, Homebrew, Git and Docker.
refdesk.com is a miscellaneous web resource for discovery, directories, archives, web culture, or useful tools.
Split shared expenses among a group.
Family Tree Builder is an online tool for creating family trees. Users add relatives, birth details, photos, professions, and life stories, and the layout arranges family connections automatically. Trees can be edited and exported as JPEG, PNG, or SVG.
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Samay is a free and open source group scheduling tool. It helps find a time which works for everyone without the back-and-forth texts and emails. The page shows a scheduling grid and offers group poll and one-on-one poll options.
Open Sustainable Technology is a directory and analysis of the open source ecosystem in climate change, sustainable energy, biodiversity and natural resources. Its stated mission is to find, list, and share projects that preserve or analyze natural ecosystems through open technology, methods, data, intelligence, knowledge or tools. Contributions are invited via pull request or email.
Label Studio is an open source data labeling and annotation platform for multi-modal data, including text, images, audio and time series. It lists uses such as LLM and agent evaluation, computer vision, NLP and document tasks, and audio transcription. It offers API, Python SDK and webhooks, and is available via pip, Homebrew, Git and Docker.
refdesk.com is a miscellaneous web resource for discovery, directories, archives, web culture, or useful tools.
Split shared expenses among a group.
Family Tree Builder is an online tool for creating family trees. Users add relatives, birth details, photos, professions, and life stories, and the layout arranges family connections automatically. Trees can be edited and exported as JPEG, PNG, or SVG.
