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An Elasticsearch ETL (extract, transform and load) tool. Commonly used to load data from various sources (such as databases and log files) into Elasticsearch. More information: <https://www.elastic.co/products/logstash>.
Transparent proxy server that tunnels traffic over an SSH connection. Doesn't require root or any special setup on the remote SSH server, though root access on the local machine is prompted for. More information: <https://manned.org/sshuttle>.
Convert numbers to and from human-readable strings. More information: <https://www.gnu.org/software/coreutils/numfmt>.
Displays network-related information such as open connections, open socket ports, etc. More information: <https://man7.org/linux/man-pages/man8/netstat.8.html>.
Calculate SHA224 cryptographic checksums. More information: <https://www.gnu.org/software/coreutils/manual/html_node/sha2-utilities.html>.
Calculate SHA1 cryptographic checksums. More information: <https://www.gnu.org/software/coreutils/sha1sum>.
Small and simple webcam for *nix. More information: <https://www.sanslogic.co.uk/fswebcam>.
Convert and copy a file. More information: <https://www.gnu.org/software/coreutils/dd>.