Software developers are likely to use databases in the course of their projects. Different databases generally require different database connection tools, such as Navicat for MySQL, PL/SQL for Oracle, SQL Server Management Studio for Microsoft SQL Server. Of course, we can also choose to use universal tools that support almost all databases at the same time, such as DbVisualizer.

Moho (formerly called Anime Studio) is a professional, full-featured and easy-to-use 2D animation software that is considered a perfect choice for professionals who are looking for a more effective alternative to the traditional animation production solution. It comes with clean, intuitive interface and advanced animation tools, can greatly speed up your animation creation process, and help users get their animation work done better and easier.

Cisco Packet Tracer is a full-featured network simulation platform (mainly simulates Cisco routers and switches) with a graphical user interface, developed by Cisco Systems. It is designed to provide a network simulation environment for beginners in Cisco networking courses to design, configure and troubleshoot networks. In other words, it can provide a nearly perfect experimental environment for Cisco network engineers, administrators and Cisco certificate candidates.

MapleSim is a high-performance, multi-domain system modeling and simulation tool, an important additional product of Maple, developed by Maplesoft from Canada in 2008. Based on the symbol-numerical hybrid computing technology, it can effectively deal with various complex mathematical problems involved in the development of engineering system models, such as complex multi-domain system modeling, virtual prototyping, and control system design.

Nowadays, due to the increasing pressure from work and life, many people begin to have difficulty falling asleep, have insomnia or are easily woken up in their sleep, so that they can't sleep well. And chronic sleep deprivation can lead to a host of health and mental problems. In addition, you may find all kinds of noise around you loud during the day, making you feel uncomfortable and distracted. Although playing music can drown out some noise to some extent, you've probably already found that it's not an effective solution, especially for insomnia.