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4D Keeper 1.1 4D Keeper automatically synchronizes PC clock with exact-time servers (including NIST time servers). Two automatic modes allow periodical
| | 501 Tangram Challenges 1.2 Are you ready to face 501 challenges of the classic Tangram puzzle? Solve hundreds of built-in challenges, construct your own Tangram
| | JavaScript Page Preloader 1.0 Displays loading messages before page be loaded completely. The loading message will be cleared when page finished loading. It is very easy
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