Fenic

pandas is an open-source Python package for working with relational and labeled data through mutable DataFrame and related data structures. It supports missing-data handling, automatic or explicit label alignment, group-by split-apply-combine operations, indexing and slicing, merging and joining, reshaping and pivoting, hierarchical labels, and time-series operations such as date-range generation, frequency conversion, and rolling-window statistics. Its I/O tools load data from CSV and other delimited files, Excel, and databases, and support saving to and loading from HDF5; it is distributed through PyPI and Conda.

Feishu is a document-synchronization source for WeKnora.

Langfuse is an open-source LLM engineering platform for developing, monitoring, evaluating, and debugging AI applications. It ingests traces for LLM calls and related operations such as retrieval, embeddings, and agent actions, with integrations including OpenTelemetry, LangChain, the OpenAI SDK, LiteLLM, and other LLM frameworks. Its features include prompt management with version control and collaborative iteration, LLM-as-a-judge and code-based evaluations, user feedback and manual labeling, datasets for test sets and benchmarks, trace replay and debugging, metrics, and a playground for testing prompts and model configurations. Langfuse exposes APIs and typed Python and JavaScript/TypeScript SDKs for custom LLMOps workflows. It is available as a managed cloud service or for self-hosting with Docker Compose, virtual machines, Kubernetes via Helm, or Terraform templates.

FFmpeg is a collection of libraries and command-line tools for processing multimedia content, including audio, video, subtitles, and related metadata. Its libraries provide codec implementations, streaming and container-format handling, filtering through directed graphs, device access, audio mixing and resampling, and image scaling and color conversion. The toolset includes ffmpeg for manipulating, converting, and streaming media, ffplay for playback, and ffprobe for inspecting media content. The codebase is mainly licensed under the LGPL, with optional components under the GPL. The repository is an official mirror of the FFmpeg project's Git repository; the project directs contributors to submit patches through its mailing list rather than GitHub pull requests.

Fathom is a commercial AI meeting assistant and call recorder that captures video calls, including Zoom meetings, and generates searchable transcripts, highlights, shareable clips, summaries, and notes. It is provided as a web app with Zoom and other conferencing-platform integrations, and supports exporting meeting artifacts for sharing and archival.