Category Archives: Recommended Free Tools

This category contains tools which I have found usefull.

For “no open source” free tools, consideration is needed if they are safe to use in that task or environment.

CryptSync, a simple alternative to protect your files for sharing

CryptSync is simple and easy to use tool to synchronize 2 folders, where the files in the destination folder are encrypted. (CryptSync is using 7-Zip for the encryption.) In this way, one can perform client side encryption when sharing several … Continue reading

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Morse Learner, tool for learning the morse code (receiving and sending)

Morse Learner is a portable and handy software for learning both the receiving and sending of morse code (chraracters made of DAHs and DITs). In the beginning it starts with small set of characters. And there are options to change … Continue reading

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Portable OCR tools to extract text from scanned pages

In addition to previously mentioned gImageReader, these 2 other portable OCR tools worked well in the following scenarios: For adding text overlay into a scanned PDF file (book/document): PDF-XChange Viewer Portable with OCR function For capturing text on the computer … Continue reading

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OpenWrt, an alternative for improving network security at home with firewall and web proxy

Introduction OpenWrt is a Linux distribution that can be loaded into many wireless routers by replacing the original firmware with OpenWrt firmware. The picture below shows 2 such routers, together with Raspberry Pi on the right for comparison. My interest … Continue reading

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CherryTree, Tool for your project or other notes

CherryTree is great open source tool for your notes. It has great features like: tree structure RTF editing and also can paste text without formattting can store content in one file can encrypt you notes file can export to different … Continue reading

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Greenshot, Advanced tool for screenshots

Greenshot is great open source tool for taking full screen or region screenshots. It can automatically save the screenshot into a file and copy into a clipboard. These settings are shown in the picture below. PS: I will mark ScreenGrab … Continue reading

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Simple LED detector for RFID or NFC of 13MHz, without any battery

Triggered by experience with “Raspberry and RFID reader/writer, first test “, I tested a simple LED RF detector idea that can be found in “RFID detector” and “RFID Reader Detector and Tilt-Sensitive RFID Tag “. For 13Mhz RFID/NFC, the LED … Continue reading

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