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Top 11 C++ Offline Projects
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DeepSpeech
Discontinued DeepSpeech is an open source embedded (offline, on-device) speech-to-text engine which can run in real time on devices ranging from a Raspberry Pi 4 to high power GPU servers.
Project mention: From Voice to Text: Exploring Speech-to-Text Tools and APIs for Developers | dev.to | 2025-05-19Setup: Install deepspeech with pip install deepspeech. Download pre-trained models from DeepSpeech Releases. Use a 16kHz mono WAV file.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Project mention: Self-Host and Tech Independence: The Joy of Building Your Own | news.ycombinator.com | 2025-06-07
For offline documentation, I use these in order of preference:
• Info¹ documentation, which I read directly in Emacs. (If you have ever used the terminal-based standalone “info” program, please try to forget all about it. Use Emacs to read Info documentation, and preferably use a graphical Emacs instead of a terminal-based one; Info documentation occasionally has images.)
• Gnome Devhelp².
• Zeal³
• RFC archive⁴ dumps provided by the Debian “doc-rfc“ package⁵.
1. https://www.gnu.org/software/emacs/manual/html_node/info/
2. https://wiki.gnome.org/Apps/Devhelp
3. https://zealdocs.org/
4. https://www.rfc-editor.org/
5. https://tracker.debian.org/pkg/doc-rfc
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Real-Time Translation - RTranslator
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dsnote
Speech Note Linux app. Note taking, reading and translating with offline Speech to Text, Text to Speech and Machine translation.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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jyut-dict
A free, open-source, offline Cantonese Dictionary for Windows, Mac, and Linux. Qt, SQLite. C++ and Python.
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C++ Offline discussion
C++ Offline related posts
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Wikipedia: Database Download
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Zeal is an offline documentation browser for software developers
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Seeking help
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Looking for a simple Cantonese dictionary for spoken Cantonese
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Recent Wiktionary ZIM files don't show a search bar
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A new version of Wikipedia_en_all_maxi is available! (link below)
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How to serve content on website over open WiFi for neighborhood ?
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A note from our sponsor - SaaSHub
www.saashub.com | 21 Jun 2025
Index
What are some of the best open-source Offline projects in C++? This list will help you:
# | Project | Stars |
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1 | DeepSpeech | 26,453 |
2 | zeal | 12,171 |
3 | RTranslator | 8,493 |
4 | Pyto | 953 |
5 | kiwix-desktop | 920 |
6 | dsnote | 933 |
7 | kiwix-tools | 584 |
8 | libzim | 190 |
9 | osmscout-server | 172 |
10 | jyut-dict | 141 |
11 | sarch | 1 |