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Pitivi

pitivi.org

Pitivi is a free, open-source video editor designed for Linux. The project is built on the belief that everyone should have access to owned, improvable tools for filmmaking and personal expression. It features an intuitive user interface, a clean codebase, and an active community. Past software releases have introduced functionality including auto alignment, precise audio waveforms, object tracking, beat detection, enhanced clip properties, and media library clip tagging.

Prydwen

prydwen.gg

Prydwen.gg is a site offering news, tier lists and detailed guides for gacha games, including Honkai: Star Rail, NIKKE, AFK Journey, Wuthering Waves and Zenless Zone Zero. It also publishes character reviews.

RefractiveIndex.INFO

refractiveindex.info

RefractiveIndex.INFO is a refractive index database. It presents optical constants for materials such as silicon dioxide, including complex refractive index data and dispersion formulas over stated wavelength ranges. Records list conditions, comments and references, with data offered as CSV, TXT and full database records.

Solar Dynamics Observatory

sdo.gsfc.nasa.gov

Solar Dynamics Observatory (SDO) is a NASA mission designed to study the solar atmosphere at fine space and time scales across multiple wavelengths to understand the Sun’s influence on Earth and near-Earth space. Its associated portal provides access to mission data, spacecraft specifications, instrument details, scientific publications, observation event information, and outreach resources.

SSHADE

sshade.eu

SSHADE is an interoperable solid spectroscopy database infrastructure providing spectral and photometric data from gamma to radio wavelengths. Measured samples include ices, minerals, rocks, organic and carbonaceous materials, and liquids. It contains specialized databases from various research groups, mostly from Europe, and can also be searched through the VESPA virtual observatory.

Subtitld

subtitld.org

Subtitld is a free, open-source subtitle editor for Linux, Windows, macOS and Haiku. Users can time subtitles on the waveform, transcribe and translate with engines running on their own machine, and dub with synthetic voices. It opens video, subtitle or transcript files and saves to SRT, VTT, TTML and other formats.

A compilation of approximately 923,000 allowed, intercombination and forbidden atomic transitions with wavelengths from 0.5 Å to 1000 µm. Wavelengths are calculated from energy-level differences rather than observed values. Its primary intention is to allow identification of observed atomic absorption or emission features, using a selection tool that applies wavelength and other criteria. Most energy level data come from the NIST Atomic Spectra Database.

Tokyo University of Agriculture and Technology

tuat.ac.jp

The Tokyo University of Agriculture and Technology is a Japanese university. Its official site links to a research portal, an institute of global innovation research, admissions and scholarship information. One research item describes a silicon substrate-integrated metasurface absorber that absorbs about 95% of terahertz waves.

Tone Generator

szynalski.com

The Online Tone Generator generates pure tones of any frequency in a web browser. It supports adjusting frequency, changing wave type, and mixing tones across browser tabs, and lists uses such as tuning instruments, testing audio equipment, and testing hearing.

VirtOcean

virtocean.com

Virtual Ocean is a noise generator offering ambient sea and ocean sounds, including waves crashing on a beach, for relaxing or studying. The site lets users mute sound effects, go fullscreen, and hide the interface.

Vital

vital.audio

Vital is a spectral warping wavetable synthesizer. Its spectral oscillator warping acts on a waveform's harmonics to create different shapes and timbres. Users can convert their own samples into wavetables with the pitch-splice or vocode converter, or use the built-in wavetable editor. The interface includes animated controls, filter responses, waveforms and spectrograms.

VoiceMeeter

vb-audio.com

Voicemeeter is a virtual audio mixer application with virtual audio devices that mix audio from devices or applications. It mixes three inputs to three outputs through two buses and supports MME, Direct-X, KS, WaveRT, WASAPI and ASIO interfaces. The application is free to use, with all functions available except optional features, under a donationware license.

WaveAI

wave-ai.net

Works with speech, voice, music or other audio using machine-learning models.

Waveformer

github.com

Open-source project that uses AI for speech, voice, transcription, music, or other audio workflows.

Waves Ahead Digital Archive

wavesaheaddigitalarchive.omeka.net

Search an online collection of books, documents, media and archival records.

WaveTracker

wavetracker.org

WaveTracker is a free and open source music-making software for Windows. It uses wavetable synthesis and sampling to generate sounds, and supports drawing up to 100 custom waves, custom instrument macros, sample importing, and export to .wav format.

Windy Webcams

windy.com

Windy Webcams is a service that provides worldwide animated weather maps, wind and wave forecasts, weather radar, satellite imagery, and aviation weather data including METAR, TAF and NOTAM reports for various user groups.