▁ ▁See ▁also ▁ ▁Performance ▁( disambiguation ) <0x0A> </s> ▁Share ware ▁is ▁a ▁type ▁of ▁propriet ary ▁software ▁which ▁is ▁initially ▁provided ▁free ▁of ▁charge ▁to ▁users , ▁who ▁are ▁allowed ▁and ▁encourag ed ▁to ▁make ▁and ▁share ▁copies ▁of ▁the ▁program . ▁Share ware ▁is ▁often ▁offered ▁as ▁a ▁download ▁from ▁a ▁website ▁or ▁on ▁a ▁compact ▁disc ▁included ▁with ▁a ▁magazine . ▁Share ware ▁diff ers ▁from ▁open - source ▁software , ▁in ▁which ▁the ▁source ▁code ▁is ▁available ▁for ▁anyone ▁to ▁inspect ▁and ▁alter ; ▁and ▁fre ew are , ▁which ▁is ▁software ▁distributed ▁at ▁no ▁cost ▁to ▁the ▁user ▁but ▁without ▁source ▁code ▁being ▁made ▁available . ▁ ▁There ▁are ▁many ▁types ▁of ▁share ware , ▁and ▁while ▁they ▁may ▁not ▁require ▁an ▁initial ▁up - front ▁payment , ▁many ▁are ▁intended ▁to ▁generate ▁re venue ▁in ▁one ▁way ▁or ▁another . ▁Some ▁limit ▁use ▁to ▁personal ▁non - com mer cial ▁purposes ▁only , ▁with ▁purchase ▁of ▁a ▁license ▁required ▁for ▁use ▁in ▁a ▁business ▁enter prise . ▁The ▁software ▁itself ▁may ▁be ▁limited ▁in ▁functionality ▁or ▁be ▁time - limited , ▁or ▁it ▁may ▁rem ind ▁the ▁user ▁that ▁payment ▁would ▁be ▁appreciated . ▁ ▁Types ▁of ▁share ware ▁ ▁Ad ware ▁▁ ▁Ad ware , ▁short ▁for ▁" ad vert ising - supported ▁software ", ▁is ▁any ▁software ▁package ▁which ▁automatically ▁rend ers ▁advert is ements ▁in ▁order ▁to ▁generate ▁re venue ▁for ▁its ▁author . ▁The ▁advert is ements ▁may ▁be ▁in ▁the ▁user