Echo Server: See what browsers and programs are sending to an HTTP Server...
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Boyer 1.5   (Downloads: 724)
Fast string search (indexOf) using the Boyer-Moore algorithm.

PowCost 1.5   (Downloads: 789)
PowCost calculates how much electicity costs for various simple tasks.

SortedArrayList and Merge 1.4   (Downloads: 513)
Sort and Merge ArrayLists efficiently.

FontShower 2.9   (Downloads: 553)
Displays all the fonts available to Swing in Java.

Say! 1.6   (Downloads: 314)
ECHO both text and control characters

CurrCon Currency Converter 4.5   (Downloads: 596)
CurrCon displays prices in HTML in users' home currency.

Holiday Calculator 5.2   (Downloads: 678)
Calculate when 69 holidays occur in any given year.

Transporter 1.4   (Downloads: 276)
Lightweight Java classes to let you encrypt/sign/armour for secure transmission.

Batik 2.2   (Downloads: 799)
Java to let you create a custom utility to find and delete all junk files.

Primes 1.4   (Downloads: 319)
calculates the prime numbers 1..N, tells you if N is prime etc.