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In the digital era, business entities increasingly rely on computerized systems to manage financial activities efficiently. This study aims to design and develop a web-based financial reporting application for UD Jaya Abadi, a trading company located in Magetan Regency. The development process utilized the Rapid Application Development (RAD) methodology to ensure user involvement and rapid prototyping. Data were collected through observation and interviews with the business owner to identify problems in manual bookkeeping and report preparation. The resulting application automates financial processes including sales, purchases, journal entries, and financial reporting in accordance with SAK ETAP standards. System modules include master data management, transaction recording, and financial reporting such as income statements, balance sheets, and cash flow reports. Testing using the black box method confirmed that all system functions operated correctly. This web-based system enhances data accuracy, minimizes human error, and provides real-time access to financial information, significantly improving the efficiency of financial management at UD Jaya Abadi.

Village-Owned Enterprises (BUMDes) are regulated in Article 1 Paragraph (6) of the Regulation of the Minister of Home Affairs Number 39 of 2010, which states that BUMDes is a business formed by the village government with its ownership and management involving the village government and the community. BUMDesa Kareka Nduku, although it functions as a village economic empowerment institution, faces a number of challenges in its operations. Some of the main problems faced are difficulties in recording agricultural assets and tools, as well as the insynchronization between stock records in warehouses and records in the treasurer, which leads to frequent shortages of fertilizer and insecticide stocks. In addition, the manual recording process for capital and business loans causes the creation of monthly reports to take a long time, even more than an hour, and there are often errors because officers have to check daily reports from various fields. This resulted in delays in making reports that should have been submitted by the BUMDes.

Building materials sales are an important sector in the construction industry, which requires an efficient system to manage transactions, inventory, and customer relationships. In an effort to improve the performance and efficiency of the sales process, this study proposes the implementation of a building material sales system using the Rapid Application Development (RAD) method at Toko Merah Delima. The RAD method was chosen for its ability to speed up the application development process with an iterative approach that involves direct user feedback. This research aims to design and implement a system that can automate the sales process, monitor stock of goods, and produce reports that can be accessed easily. The developed system includes integrated sales transaction management features, stock management, and sales reports. The results of the implementation of this system show increased efficiency in the management of transactions and stock of goods, as well as making it easier to monitor sales reports in real-time. By using the RAD method, this system can be developed in a shorter time and more in accordance with the operational needs of the store. This research is expected to contribute to the development of information systems for the building materials trading industry.

The administrative system implemented at the Tangerang City PMI Headquarters is still semi-computerized, causing several issues such as inconsistent document formats, higher risk of recording errors, longer processing times, and excessive paper use. Additionally, delays in determining the leader’s availability often hinder the disposition and signing process, resulting in postponed activities. To address these problems, a Web-Based Administrative Management Information System was developed, named “Si-Markot”. This system aims to improve the efficiency of managing incoming and outgoing correspondence through digital archiving, electronic disposition, and digital signature features for leaders. Si-Markot functions as a structured digital repository that enables quick document searches and real-time tracking. The research methodology includes observation and literature study, with system development based on the Rapid Application Development (RAD) approach. System modeling was conducted using Unified Modeling Language (UML), implemented with PHP programming language and phpMyAdmin as the database. The system was tested using the Black Box Testing method. The results of this study produced a web-based administrative management application specifically designed for managing correspondence at the Tangerang City PMI Headquarters, improving efficiency, reducing paper usage, and accelerating document disposition and processing.

This research aims to develop a transaction data security system on the web-based Pancadaya Waste Bank application by applying a hybrid cryptographic algorithm that combines Advanced Encryption Standard (AES) and Rivest Shamir Adleman (RSA). The problem faced in the previous system is the weak recording and security of customer transaction data, because the process is still carried out manually so that it is prone to recording errors, loss of important information, and potential misuse of data by unauthorized parties. To answer these problems, this study uses the Rapid Application Development (RAD) method which allows the application development process to be carried out quickly, flexibly, structured, and according to user needs. The research method used was a qualitative approach with interview techniques with the management of the Pancadaya Waste Bank and the Environment Office, as well as an in-depth literature study on the application of hybrid cryptographic algorithms in modern information systems. The system is built using the PHP programming language, MySQL database, and OpenSSL library as the main support for the data encryption and decryption process. The implementation of the algorithm is carried out by encrypting transaction data using AES for efficiency and speed, then the AES key is secured through RSA to ensure a higher level of security while preventing illegal access. The test results showed that the system was able to encrypt and decrypt transaction data in real-time, as well as display transaction results in the form of digital notes on deposit and balance withdrawal activities. In addition, performance tests using GTmetrix showed that the application has excellent speed, stability, and processing efficiency, making it feasible to be widely implemented in Pancadaya Waste Bank operations.

The manual credit application process often takes a long time and is prone to various problems, such as recording errors, data redundancy, and the risk of losing important documents. These conditions not only hamper service effectiveness but can also reduce customer satisfaction and the performance of the officers involved. Therefore, this study aims to design and develop a Progressive Web App (PWA)-based credit application system using the Rapid Application Development (RAD) method. This system is expected to be a more efficient, faster, and more accurate solution than the current manual mechanism. PWA was selected based on its ability to provide universal access through a browser without the need for additional application installation, making it more practical for both customers and officers. Meanwhile, the RAD approach allows for an iterative and flexible system development process, with direct user involvement from the design stage through implementation. This aims to ensure the system is truly aligned with real-world needs. The development results indicate that the designed PWA system is capable of supporting the tasks of Account Officers (AO) and Division Heads in managing credit application data. The process includes the pipeline stage, submission, field survey, and credit realization, which is well-documented and accessible in real time. Functional testing using the Black Box Testing method proved that all features functioned according to established specifications. Furthermore, usability testing using the System Usability Scale (SUS) method yielded satisfactory scores, indicating the system's high usability and positive user experience. Therefore, this PWA-based credit application system not only improves process effectiveness and efficiency but also supports transparency, data accuracy, and user satisfaction.

The manual, paper-based election of the Student Council President faces various challenges, such as the lengthy vote counting process and the potential for errors in the recapitulation. To address these issues, this study designed a web-based e-voting information system at SMK Negeri 4 Tangerang Regency. This system was built using the Rapid Application Development (RAD) method, which emphasizes speed of development through iteration and prototyping based on user feedback. The development results indicate that e-voting can accelerate voting and vote counting, provide real-time results, and reduce paper usage. This system has been tested using blackbox testing, proving that all functions work as expected and are easily accessible to students. The study concludes that the implementation of web-based e-voting can improve efficiency, security, and transparency in the election of the Student Council President, with suggestions for system usage simulations and regular usability evaluations. Furthermore, this study also shows that the implementation of a web-based e-voting system can reduce the potential for fraud that often occurs in manual elections. With an automated and integrated system, every vote cast by voters is recorded accurately, reducing human error in the vote counting process. System security is also maintained through authentication mechanisms that ensure only authorized users can vote, as well as data encryption to protect sensitive information. This increases voter confidence in the election results, as the process is more transparent and free from manipulation. Furthermore, although the e-voting system has proven effective in increasing election efficiency and accuracy, the study also recommends the need for training for system users, both students and election committee members, to ensure they can utilize the system optimally. Continuous evaluation of the system's usability is also crucial to ensure that the interface remains user-friendly and easily accessible to all parties.

This study aims to develop a data security system for the Pancadaya Waste Bank web-based application by implementing a hybrid cryptography algorithm combining AES and RSA. The main problem identified is the vulnerability of manually recorded and unsecured transaction data. The research applied a qualitative approach through interviews with system users and the Environmental Agency, as well as literature reviews on hybrid cryptography algorithms. The system was developed using the Rapid Application Development (RAD) method and implemented using PHP, MySQL, and the OpenSSL library. The results show that the system successfully encrypts transaction data using AES and secures the AES key with RSA, thereby enhancing data security. Testing with GTmetrix indicates excellent application performance. Furthermore, the system can display and decrypt real-time transaction data in receipt form for both deposit and withdrawal processes. This application provides an innovative solution to data management and transaction security issues in digital-based waste bank systems.

This study is dedicated to the design and implementation of a web-based inventory management platform for PT. Paramata Baraya International. replacing the manual Excel system that is ineffective and susceptible to mistakes. The Rapid Application Development (RAD) method is chosen for its quick and iterative approach to software development. The system is built using the Next.js framework and PostgreSQL as the database, with Prisma ORM for database management. Key features include item management, real-time status tracking, calibration, maintenance, equipment rental, and automatic notifications. The implementation results show a 60% increase in item search efficiency, 95% data accuracy, and an 80% reduction in manual input errors. This study is significant as a solution for companies engaged in calibration and maintenance of measuring instruments.

Digital-based evaluation is increasingly utilized across various fields of education and training. This study focuses on the development and analysis of a web-based quiz management system that facilitates interaction between users and administrators. The research involves implementing a user dashboard for quiz participation and an admin dashboard for managing questions and quiz results. The methodology includes a case study on system testing, user needs analysis, and evaluation of system effectiveness using both quantitative and qualitative approaches. The findings indicate that the system enhances evaluation efficiency and simplifies quiz data management. The study concludes that web-based systems play a crucial role in supporting evaluation and learning management.

Developing research and community service (P2M) applications is crucial in enhancing efficiency and accuracy in managing related data at higher education institutions. This research aims to design a web-based application that simplifies the data management process for research, community service, and associated activities at Universitas Informatika dan Bisnis Indonesia (UNIBI). The research engaged the Rapid Application Development (RAD) methodology to actively incorporate stakeholders throughout the application development lifecycle, thereby guaranteeing alignment with their requirements. The results showed that the developed Application effectively resolved inaccurate data displays, manual data collection, and inefficient validation processes. Key features include a more accurate dashboard, an automated article validation tool integrated with Google Scholar, and streamlined submission community service activities. The activity submission process enhances operational efficiency and improves transparency and accountability in managing academic data. This research contributes to the broader adoption of digital solutions in educational administration, offering significant improvements in data accuracy and management at UNIBI.

Regional House of Representatives (DPRD) of Magetan Regency to enhance the efficiency and effectiveness of visit data management. The system was developed using the Rapid Application Development (RAD) method, utilizing the Laravel framework and MySQL database. The implementation of this system is expected to replace the time-consuming and inefficient manual processes, such as guest book entry and data retrieval. The web-based system allows guests to digitally input their institutional origin, purpose, and objectives of their visit, which are then managed by the administrator for reporting and data analysis.The system development process began with needs analysis, design using UML diagrams, and implementation through web-based technology. System testing was conducted using the Black Box Testing method to ensure all system functions operate as specified. The research findings demonstrate that the system effectively reduces data processing time, increases accuracy, and facilitates the management of visit information. Thus, this information system not only provides practical solutions for DPRD Magetan but also serves as a model for similar developments in other institutions. This study offers significant theoretical and practical contributions to the advancement of information technology in the governmental sector

E-commerce is all activities selling goods and services carried out through electronic media. Shrimp Cracker Shop, is a business that operates in the field of selling typical souvenirs. Currently, sales of goods are still carried out manually, namely by buyers coming directly to the shop or by purchasing by telephone. This type of research uses a descriptive method with a qualitative approach. This research provides an accurate description and explanation of the conditions or symptoms faced. The materials used in this research are data obtained from the results of interviews and later the results of the interviews can find out what needs are needed to build a website. System Design Methods in Designing a The system definitely requires modeling so that the results of the system design that you want to achieve can obtain maximum results. What the author uses is Unified Modeling Langue (UML). Which consists of use case diagrams, class diagrams, and activity diagrams. In this research the author uses the Rapid Application Development system development method. The software development method in this research uses the Rapid Application Development (RAD) model system development method. After the design is carried out, the researcher draws conclusions namely the e-commerce design of the Manda Shrimp Cracker Shop was successfully created to help promotion and sales. The results of testing the Blackbox Testing software system were declared successful, and the feasibility test using a Likert scale resulted in a score of 93% (very feasible). Overall, the results were successful and in accordance with what was designed.